Search Term Syntax and Errors
Because you are able to run the same term on multiple databases, you run the risk of using bad syntax on one database that is still valid on another one. See our guide below to the different databases
Intro
This guide will help you build search queries for all the major databases we offer.
PubMed
Reference Link: https://pubmed.ncbi.nlm.nih.gov/help/
PubMed Central
Cochrane
https://classic.clinicaltrials.gov/api/gui/ref/syntax#andExpr
Notes:
( ) not permitted on these.
AND OR NOT statements permitted
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