| Word or phrase |
Search on a word such as "adverse" or a phrase such as "adverse event". |
| Beginning of word |
Search on the beginning of a word. For example, searching on "investigat" finds "investigator" and "investigational", but not "subinvestigator". |
| Any text |
Search on text that may occur in the middle of a word or across words. For example, searching on "investigator" finds "subinvestigators"; searching on “to cha” finds “to chance”. |
| Punctuation is significant |
Limit results based on the presence or absence of punctuation. For example, searching on "FDA-approved" finds only "FDA-approved", while searching on "FDA approved" finds only "FDA approved". With this option unselected, searching on "crossover" will find both "crossover" and "cross-over". |
| Search within results below |
If your initial search returns too many results, this option allows you to search only among the results previously found. |
| Category |
Select one category or all categories. |
| Location |
Select a location to restrict your search, or "(ANY)" for no restriction. |
