Ovid Technologies Field Guide

Ovid Healthstar (HSTR)


Read about changes for the Ovid Healthstar database in the 2001 Ovid Healthstar News!


Scope

Ovid Healthstar is comprised of data from the National Library of Medicine's (NLM) MEDLINE and former HealthSTAR databases. As such, it contains citations to the published literature on health services, technology, administration, and research. It focuses on both the clinical and non-clinical aspects of health care delivery. The following topics are included: evaluation of patient outcomes; effectiveness of procedures, programs, products, services and processes; administration and planning of health facilities, services and manpower; health insurance; health policy; health services research; health economics and financial management; laws and regulation; personnel administration; quality assurance; licensure; and accreditation.

As announced in October 2000, Ovid is offering Ovid Healthstar as a continuation of the National Library of Medicine's (NLM) now-defunct HealthSTAR database. Ovid Healthstar retains all existing backfile HealthSTAR citations and is updated with new journal citations culled from MEDLINE using the NLM's HealthSTAR search strategy. The database contains citations and abstracts (when available) to journal articles, monographs, technical reports, meeting abstracts and papers, book chapters, government documents, and newspaper articles from 1975 to the present. Citations are indexed with the National Library of Medicine's Medical Subject Headings in order to ensure compatibility with other NLM databases. Information in Ovid Healthstar is derived from MEDLINE, the Hospital Literature Index, and selected journals.


General Information

Producer
Ovid Technologies, Inc.
9350 South 150 East
Suite 300
Sandy, UT 84070
Phone: (800) 950-2371
Website: http://www.ovid.com

Years of Coverage
Locally Installed Segments:
OHSTR: 2001 to present
HSTR5: 1999-2000
HSTR4: 1996-1998
HSTR3: 1992-1995
HSTR2: 1987-1991
HSTR1: 1975-1986

Ovid Online Segments:
HSTR: 1975-present
HSTF: 1987-present
HSTB: 1975-1986

Default Fields for Unqualified Searches
TI, AB, KW, SH

All Display/Print Fields
UI, DS, AU, IN, TI, OT, SO, AS, NT, CM, AB, SH, PN, KW, RN, PT, LG, GS, NO, CP, CF, CN, SB, JC, IS, IB, AV, AG, AW, UP

Default Display/Print Fields
UI, DS, AU, IN, TI, OT, SO, NT, AB, SH, KW, CF, AV

Elements of SO (Source) Field
JN, PB, PG, YR, VO, IP, MI, IM, CO

Online Update Frequency
Monthly

Local Update Frequency
Monthly


Searching the Ovid Healthstar fields

The following alphabetical list provides the two letter label, the relevant alias, and at least one example for all searchable Ovid Healthstar fields:


=====        ============
Label        Name/Example
=====        ============


AB           Abstract [Word Indexed]
             spa.ab.

The Abstract (AB) field contains author- and source-written abstracts
from journals whose publishers gave the National Library of Medicine
permission for their use.  Stopwords such as "the" and "or" are not
searchable.


AF           All Searchable Fields
             drug abuse.af.

Use the AF label to search simultaneously in all Ovid Healthstar fields.


AG           Supporting Agency [Word Indexed]
             bureau of community health services.ag.

The Supporting Agency (AG) field contains the names of sponsors or
organizations other than those appearing in the Corporate Name (CN)
field.  Information in this field is not standardized and may vary
considerably in punctuation, abbreviation and spacing.


AU           Authors [Phrase Indexed]
             smith tf.au.
             smith$.au.

The Author (AU) field contains up to twenty-five authors.  The format
for authors is last name followed by one or more initials.


AV           Availability and Order Number [Word Indexed]
             wami.av.

The Availability field (AV) contains the alphabetic codes for the
vendors and suppliers or the names and addresses of organizations from
which a document can be obtained.  The Order Number also appears in
this field.

*Note: Although this field exists in older records, it will not appear 
in records from 2001 and forward.


AW           Award Type [Phrase Indexed]
             contract.aw.

The Award Type (AW) field includes the following information for NHPIC
documents only:  Contract or Award.


CF           Conference Name [Word Indexed]
             toward an electronic patient record.cf.

The Conference (CF) field includes the names of meetings, congresses,
and symposia appearing in some monographs, book chapter and conference
paper records.

*Note: Although this field exists in older records, it will not appear 
in records from 2001 and forward.


CN           Corporate Name [Word Indexed]
             alpha center for health planning.cn.

The Corporate Name (CN) field includes the names of organization,
institutions, and government bodies.  This field appears only in
non-journal article records.  The full name of the organization will
always appear.

*Note: Although this field exists in older records, it will not appear 
in records from 2001 and forward.


CO           Collation [Word Indexed]
             196.co.

The Collation (CO) field indicates the total number of pages in a
monograph.  This information usually appears in the Source field.


CP           Country of Publication [Phrase Indexed]
             japan.cp.

The Country of Publication (CP) field contains the full name of the
country in which an article was published.  The country name is entered
into the index as a phrase.


DS           Data Source [Phrase Indexed]
             medline.ds.

The Data Source (DS) field contains the name of the source from which
the record was received.


FS           Floating Subheading [Phrase Indexed]
             ec.fs.

The Floating Subheading (FS) field contains the two-letter code, such
as "po" for poisoning, which are used to qualify MeSH subject headings
to refine their meaning.  Terms such as "etiology" or "therapy," when
combined with a MeSH heading, give a very precise idea of the article's
coverage.


GS           Gene Symbol [Phrase Indexed]
             p53.gs.
             rad$.gs.

The Gene Symbol (GW) field contains Gene Symbols as they are entered
into Ovid Healthstar in the original document. They often conform to
standardized human gene nomenclature.


GW           Gene Word [Word Indexed]
             h.gw.

The Gene Word (GW) field contains individual words from the Gene Symbol
field.


GX           Extended Gene Symbol (GS, GW)
             p.gx.

Use the GX field to search simultaneously in the GS and GW fields.


HW, ME       Heading Word [Word Indexed]
             administration.hw.

Sometimes you may wish to retrieve every MeSH subject heading that
includes a particular word; this is done by searching the single word
in the Subject Heading Word (HW) field.  You may also view every MeSH
Subject Heading which contains a particular word by using the pull-down
menu TOOLS/Permuted Index.


IB           ISBN [Phrase Indexed]
             0-9640667-4-2.ib.

The ISBN (IB) field contains the International Standard Book Number,
which is found on most, but not all, books or book chapters.

*Note: Although this field exists in older records, it will not appear 
in records from 2001 and forward.


IM           Imprint [Word Indexed]
             boston.im.

The Imprint (IM) field consists of publisher and place of publication
for analytical citations.  This field is usually displayed as part of
the Source (SO) field.

*Note: Although this field exists in older records, it will not appear 
in records from 2001 and forward.


IN           Institution [Word Indexed]
             hines.in.

The Institution (IN) field contains the primary author's affiliation,
which is usually the source for a reprint of the article.


IP           Issue/Part [Word Indexed]
             "22".ip.

The Issue/Part (IP) field contains the Issue and/or part for a
particular volume of a journal.  The IP field usually displays as part
of the Source (SO) field.


IS           ISSN [Phrase Indexed]
             0098-7484.is.

The ISSN (IS) field contains the International Standard Serial Number
(ISSN) for the journal in which an article was published.  It appears
as an eight-digit number separated by a hyphen.


JC           Journal Code [Phrase Indexed]
             now.jc.

The Journal Code (JC) field is an alpha-numeric code established by the
NLM which uniquely identifies every journal indexed in the NLM
databases.


JN           Journal Name [Phrase Indexed]
             gut.jn.
             new england$.jn.

The Journal Name (JN) field contains the full name of the journal in
which an article was published.  This field usually displays as part of
the Source (SO) field.


JW           Journal Word [Word Indexed]
             obstetrics.jw.
             occupational health.jw.

The Journal Word (JW) field contains individual words from every
journal name in Ovid Healthstar.  Stopwords such as "the" or "of" are not
included.


KW           Keywords [Word Indexed]
             electrosurgical units.kw.

The Keywords (KW) field contains keywords and phrases (and in some
instances, a corresponding numeric code) which have been added to
certain specially indexed records to describe the content of the
article or report.  Most of the keywords (and numeric codes) are taken
from the Universal Medical Device Nomenclature System (UMDNS) developed
by ECRI, Inc.

*Note: Although this field exists in older records, it will not appear 
in records from 2001 and forward.


LG, LA       Language [Phrase Indexed]
             eng.lg.

The Language (LG) field contains the language(s) of publication of an
article.  The language name is spelled out in full form.


MI           Monograph Information [Word Indexed]
             proceedings.mi.

The Monograph Information (MI) field contains the names of authors or
editors of a book and the title of the book as a whole for book
chapters.  This information usually appears in the Source field
preceded by the word IN.

*Note: Although this field exists in older records, it will not appear 
in records from 2001 and forward.


NO           Grant Number [Word Indexed]
             9-J00156503-4.no.

The Grant Numbers (NO) field contains the grant or contract number for
articles or publications generated by support with US federal funds.


NT           Notes [Word Indexed]
             abuse.nt.

The Notes (NT) field contains supplemental information concerning
related documents, special identification number, and links to
previously published items found on some monographic materials,
including technical reports and government documents.  Also displays
with series title (ST) information.

*Note: Although this field exists in older records, it will not appear 
in records from 2001 and forward.


NX           Extended Registry Number (RN, RW)
             digoxin.nx.

Use the NX field to search simultaneously in the RN and RW fields.


OD           Order Number [Word Indexed]
             pb92-221290.od.

The Order Number (OD) field contains a number assigned to a report by
its producer or distributor to facilitate ordering.  This field appears
primarily in records for technical reports and other materials which
may not be easily available through commercial publishers.  Less than
one percent of all records in Ovid Healthstar contain this information.


PG           Page (First Page No.) [Phrase Indexed]
             "14".pg.

The Page (PG) field consists of the inclusive pagination of a journal
article.  This field is usually displayed as part of the Source (SO)
field.


PN           Personal Name as Subject [Phrase Indexed]
             freud s.pn.

The Personal Name As Subject (PN) field contains the name of a
well-known person that is discussed in an article, such as in an
interview or obituary.  The format for Personal Name is the same as for
Author -- last name followed by initials.


PT           Publication Type [Phrase Indexed]
             bibliography.pt.
             consensus$.pt.

In addition to indexing documents with Medical Subject Headings, the
indexers at the National Library of Medicine assign terms to describe
the article type.  Publication Types include clinical trials,
directories, evaluation types, newspaper articles, letters, reviews, and 
validation studies.


RN           CAS Registry Number [Phrase Indexed]
             20830-75-5.rn.
             ec 1-1-1-1.rn.
             digoxin.rn.

The Registry Number (RN) field contains the Chemical Abstracts Service
Registry number or Enzyme Commission number for a compound mentioned in
an article.  If the generic compound name can be determined, it is
included. Registry numbers appear with hyphens; EC numbers appear in
the format cd 1-1-1-3; and chemical names appear with all special
characters except hyphens removed.


RW           Registry Number Word [Word Indexed]
             hydrocortisone.rw.

The Registry Word (RW) field contains single words from the registry
number field and is used to search portions of chemical names.


SB           Journal Subset [Phrase Indexed]
             c.sb.

Ovid Healthstar contains broad journal subject categories.  These subsets
appear as codes in the Journal Subset (SB) field.  a=Abridged index
medicus Journals; c=180 Cancer Journals identified by NCI; d=Dental
Journal appearing in MEDLINE; n=Nursing Journals appearing in MEDLINE;
t=Journals unique to Ovid Healthstar; u=Journals indexed by the American
Hospital Association.


SH, DE, CT, SW     Medical Subject Headings [Phrase Indexed]
             hospitals.sh.
             hospitals/
             *hospitals/
             *hospitals/lj

The Medical Subject Headings field contains the controlled vocabulary
terms used by indexers at the National Library of Medicine to describe
the content of an article.  Approximately 10-12 subject headings are
applied to each article.  The preceeding asterisk (*) indicates a
major term.  The slash (/) is equivalent to the 2-letter label.
Codes following the slash are subheadings.


SO           Source (JN, PB, PG, YR, VO, IP, MI, IM, CO)
             jama.so.

The Source (SO) field is an alias for all fields that contain
bibliographic identifying information.


TI           Title [Word Indexed]
             quinidine.ti.
             atrial fibrillation.ti.

The Title (TI) field contains the English language version of a title.
For documents which were not written in English, the original or
transliterated title appears in the Original Title (OT) field.
Stopwords such as "of" or "the" will display in documents, but do not
appear in the Title index.  However, the word "a," which is a stopword
in other fields CAN be searched in titles.


TW           Text Word (AB, TI)
             hypertension.tw.

The Textword (TW) field is an alias for all of the fields in a database
which contain text words and which are appropriate for a subject
search.  The Textword field in Ovid Healthstar includes Title (TI) and
Abstract (AB).


UI, AN       Unique Identifier [Phrase Indexed]
              21167103.ui.

The Unique Identifier (UI) field contains an 8-digit number assigned by
Ovid Healthstar to uniquely identify a particular record.  This number is
also the one used to locate the document through NLM's document
delivery service.


UP, EM       Update Date [Phrase Indexed]
             200105.up.

The Update Date (UP) field contains the issue (year and month) in which
an item becomes available to searchers. The UP field appears in the
format YYYYMM.  If a revision to a document has occurred, the UP field
will also contain the revision date.


VO           Volume [Word Indexed]
             "7".vo.

The Volume (VO) field consists of the volume and issue of a serial
publication.  This field is usually displayed as part of the Source
(SO) field.


XM          Exploded MeSH Heading [Phrase Indexed]
            "diabetes mellitus*".xm.

The Exploded MeSH Heading (XM) field is an index of pre-exploded
Medical Subject Headings.  In contrast, the SH field contains non-
exploded Medical Subject Headings.  The example above is equivalent
to the search "exp *diabetes mellitus/".



XS           Exploded Subheading [Phrase Indexed]
             ae.xs.

Sometimes multiple MeSH Subheadings can be logically grouped together.
Such related groups of subheadings are "pre-exploded" under one broad
subheading.  This means that all the grouped subheadings can be
retrieved together by searching on the "pre-exploded" version of the
broad subheading.  The 2-letter codes for the pre- exploded subheadings
appear in the Exploded Subheadings (XS) field.


YR           Publication Year [Phrase Indexed]
             1992.yr.
             2001.yr.

The Year (YR) field contains the year in which an article or monograph
was published.


    ** The Following Fields Are For Display Only:


CM           Comments
             - display only -

Sometimes the title of a record will include the word [Comment] in
brackets.  This means that the article is either a Comment On another
article or is Commented On in another article.



OT, TT       Transliterated Title
             - display only -

The Original Title/Transliterated Title (OT/TT) field includes any
non-English titles in the original language.  If the original title was
in a non-Roman alphabet, then it is transliterated.




Ovid Healthstar Limits

The following limits are available from the Limit menu on the Main Search Screen:

Popular Command and Sentence Syntax Limits:


Abstracts
Command Syntax:       ..l/ ab=y
Sentence Syntax:       limit 1 to abstracts

Data Source
Sentence Syntax:       limit 1 to aha

English Language
Command Syntax:       ..l/1 en=y
Sentence Syntax:       limit 1 to english

Journal Subsets
Sentence Syntax:       limit 1 to cancer journals

Language
Command Syntax:        ..l/1 lg=fre
Sentence Syntax:       limit 1 to french

Latest Update
Command Syntax:        ..l/1 up=y
Sentence Syntax:       limit 1 to latest update

Publication Type
Sentence Syntax:       limit 1 to clinical trial

Review
Sentence Syntax:       limit 1 to review

Year
Command Syntax:        ..l/1 yr=1996
Sentence Syntax:       limit 1 to yr=1996


Change to Ovid Healthstar From Another Database


Sample Ovid Healthstar Documents


Unique Identifier
  96366189
Data Source
  MEDLINE.
Author
  Proietto J.  Andrikopoulos S.  Rosella G.  Thorburn A.
Institution
  University of Melbourne, Department of Medicine, Royal Melbourne
  Hospital, Vic.
Title
  Understanding the pathogenesis of type 2 diabetes: can we get off the
  metabolic merry-go-rounds?. [Review]
Source
  Australian & New Zealand Journal of Medicine.  25(6):870-5, 1995 Dec.
NLM Journal Code
  9h9
Abstract
  The aetiology of non-insulin-dependent diabetes mellitus (NIDDM) is
  not known. The concordance of NIDDM in identical twins and differences
  in the prevalence rate of NIDDM between different racial groups
  suggest a genetic cause. Hyperglycaemia in established diabetes is
  caused by a combination of hepatic insulin resistance, impaired
  peripheral (muscle and fat) glucose uptake and a defect in
  glucose-mediated insulin secretion. However, it is not known if these
  defects are all inherited or if one can cause the others. This
  uncertainty is due to the fact that hyperglycaemia per se can cause
  defects in insulin action and insulin secretion that resemble those
  found in NIDDM. Furthermore the elevated free fatty acid (FFA) levels
  found when NIDDM is associated with obesity are known to cause both
  peripheral and hepatic insulin resistance. Recently we have
  demonstrated the mechanism by which elevated FFA levels can cause
  hepatic insulin resistance. However, we also have evidence that the
  converse holds in that genetically engineered hepatic insulin
  resistance in a transgenic rat model leads to obesity. Thus an
  understanding of the pathogenesis of NIDDM is complicated by the fact
  that hyperglycaemia and obesity can be both causes and consequences of
  insulin resistance. To overcome these difficulties, studies in young
  euglycaemic diabetes-prone subjects have been conducted. Results
  suggest that there may be different causes for NIDDM in different
  racial groups.  (33 Refs)  (Abstract by: Author)
MeSH Subject Headings
  Animal
  *Blood Glucose/me [Metabolism]
  Diabetes Mellitus, Non-Insulin-Dependent/ge [Genetics]
  *Diabetes Mellitus, Non-Insulin-Dependent/pp [Physiopathology]
  Fatty Acids, Nonesterified/bl [Blood]
  Human
  Insulin Resistance/ge [Genetics]
  *Insulin Resistance/ph [Physiology]
  Liver/pp [Physiopathology]
  Obesity in Diabetes/ge [Genetics]
  *Obesity in Diabetes/pp [Physiopathology]
  Rats
  Risk Factors
  Support, Non-U.S. Gov't
Registry Numbers
  0 (Blood Glucose).  0 (Fatty Acids, Nonesterified).
Country of Publication
  Australia
ISSN
  0004-8291
Publication Type
  Journal Article.  Review.  Review, Tutorial.
Language
  English.
Update Date
  199611


Unique Identifier
  93299002
Data Source
  MEDLINE.
Author
  Wandeler AI.  Matter HC.  Kappeler A.  Budde A.
Institution
  Agriculture Canada, Animal Diseases Research Institute, Nepean,
  Ontario.
Title
  The ecology of dogs and canine rabies: a selective review. [Review]
Source
  Revue Scientifique et Technique.  12(1):51-71, 1993 Mar.
NLM Journal Code
  a9r
Abstract
  Although dogs are the most widespread and abundant of all carnivores,
  the role of the dog in human cultures and its impact on the
  environment have rarely been studied. These subjects are reviewed in
  the context of canine rabies. To understand the epizootiology of
  canine rabies, the ecology and population biology of the dog must be
  considered. Information on dog populations (in relation to different
  habitats, cultures, social strata of human populations and
  epizootiological situations) was collected in Nepal, Sri Lanka,
  Switzerland and Tunisia. In Switzerland (and Western Europe in
  general), rabies is maintained and spread by red foxes. The low
  prevalence of rabies in dogs may be explained by restrictive practices
  of dog-keeping and high rates of vaccination. In the other areas
  examined, dogs are poorly supervised and their population densities
  are high enough to support rabies, although it is questionable whether
  canine rabies exists independently of a wildlife reservoir.
  Dog-keeping practices, high rates of exposure and various cultural
  factors may lead to a high human rabies mortality rate. Nevertheless,
  dogs in these areas remain sufficiently accessible for vaccination and
  well-executed control programmes could prove successful.  (163 Refs)
  (Abstract by: Author)
MeSH Subject Headings
  Animal
  *Dog Diseases/ep [Epidemiology]
  Dog Diseases/pc [Prevention & Control]
  *Dogs/ph [Physiology]
  Dogs/px [Psychology]
  Europe/ep [Epidemiology]
  Female
  Human
  Male
  Nepal
  Population Density
  Rabies/ep [Epidemiology]
  Rabies/pc [Prevention & Control]
  *Rabies/ve [Veterinary]
  Sri Lanka/ep [Epidemiology]
  Tunisia
Country of Publication
  France
ISSN
  0253-1933
Publication Type
  Journal Article.  Review.  Review, Academic.
Language
  English.
Update Date
  199309


Ovid Healthstar Producer Copyright Information

Ovid Healthstar is comprised of data from the National Library of Medicine's (NLM) MEDLINE and former HealthSTAR databases. NLM represents that the data provided is formulated with a reasonable standard of care. Except for this representation, and as otherwise specifically provided herein, NLM makes no representations or warranties, expressed or implied. This includes but is not limited to, any implied warranty of merchantability or fitness for a particular purpose, with respect to the NLM databases, and NLM specifically disclaims any such warranties and representations. Downloading data is permitted for personal use only. Some material in the NLM databases is from copyrighted publications of the respective copyright claimants. Users of the NLM databases are solely responsible for compliance with any copyright restrictions and are referred to the publication data appearing in the bibliographic citations, as well as to the copyright notices appearing in the original publications, all of which are hereby incorporated by reference.

The following use of data from MEDLINE, AIDSLINE, BIOETHICSLINE, and Ovid Healthstar requires no written permission from or signed licence agreement with NLM:

Users may download small amounts of data, e.g., the bibliographic citation and MeSH terms, for a small number of citations from the databases listed above for redistribution either via a printed publication or in electronic form using the Internet, World Wide Web, etc. Downloading from a MEDLARS licensee, such as OVID is subject to the licensee's approval.

Definitions:

1. Download includes ftping results of an online search, arranging for the results of an automatic stored search to be available for ftp, ftping MEDLARS data from the NLM server (nlmpubs.nlm.nih.gov), or a traditional download using a modem.

2. Small is defined as approximately 1,000 records per month from MEDLINE; 12,000 per year. Retrospective pulls of MEDLINE may include up to approximately 12,000 records for each year covered. For other MEDLARS databases, fewer than 25% of records in the file may be downloaded. For larger portions of a MEDLARS database, contact Janer@nlm.nuh.gov or 301-496-7706 for licensing information.

3. Data is defined as bibliographic citations and MeSH terms. This document grants permission to download only the bibliographic citations and MeSH terms, it does not cover author abstracts from the journals which are included in MEDLINE and other MEDLARS databases. Users should obtain an opinion from their legal counsel for any use they plan for the author-generated abstracts in the MEDLARS database.

Terms and Conditions:

Users must ensure that all downloaded publicly accessable data stored in electronic form for over one year must be in compliance with the following provisions of the NLM license agreement:

A. Users of this data must be provided a clear description of how the product/service was derived, indicating the currency and the source database.

B. At least annually, the data downloaded must be corrected to incorporate the corrections NLM has made to these records during the year and in year end maintenance. MEDLARS data in any subsequently produced product/service must be carefully checked with that maintained on NLM's version of the database at the end of each calender year and corrections made.

C. Users are advised to consult legal counsel to ensure compliance with intellectual property laws. NLM cannot provide advice about copyright issues.

D. Since NLM goes to considerable efforts to assign MeSH terms, it prefers that these be retained as assigned by the indexers.

E. All downloaded NLM records (or portions thereof) must be labeled so as to identify NLM as the source.

F. Trademark symbols must properly be used when referring to the NLM databases, system and products. A product/service using downloaded data must be named in a fashion that clearly distinguishes it from NLM-produced databases accessible at NLM.


Updated 17 July 2001