PTX Display
Available Operations in a PTX Display

PTX Display

When using the PTX tool, enter ONE WORD to search. The resulting PTX Tool Page displays all of the terms in the Tree or Thesaurus containing the word you entered. This helps you find similar terms. In the example below, the word "blood" was entered; note that all the displayed terms contain the word "blood".

Available Operations in a PTX Display

• Click the checkbox to the left of any term(s) to select it for searching. The number in parentheses following the term indicates the quantity of documents that will be retrieved. If you select two or more terms, you can combine them with a Boolean Operator "AND" or "OR". Make this selection from the Combine Selections With pulldown menu at the top of the page.
• Click the Explode checkbox to the right of any term to select that term "ORed" with all of its conceptually narrower terms. This is strongly recommended for comprehensive retrieval.
• Click the Focus checkbox to the right of any term to retrieve documents in which that concept is a central topic in the discussion.
• Click any highlighted term to view its Tree entry.
• Click the Continue button to process your search.
• Click the Main Search Page button to cancel.