How to Use GCT Search
Using the Search Operators OR and AND
Words such as OR and AND (in uppercase letters), are search operators. You can use these words to adjust the scope of your query. Putting two different terms in quotations (“term” AND/OR “term”) will broaden or narrow your results. Here are some examples:
Use “term” OR “term” to find studies that contain any of the words connected by OR.
Example: “cancer” OR “diabetes”
This search finds studies containing either the word "cancer" or "diabetes."
Using OR broadens your search.
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