6533b7d2fe1ef96bd125ece6

RESEARCH PRODUCT

Advice for health-care professionals on how to retrieve more efficiently scientifically strong and up-to-date studies on treatments by PubMed.

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AND trial (Title/Abstract))). Obviously, clini- cians using the PubMed Clinical Queries may be unaware of the PubMed search engine technical approach even whether they can remain unaware of what the PubMed search engine is doing. We demonstrated substantial mild retrieval bias of PubMed Clinical Queries filter focusing on therapy (narrow search) that can miss up-to-date scientifically information on treatments. This bias occurs because the search string does not consider the Britannic English variant of the term randomized (i.e., randomised). We suggested a slight change in the original search string by the addition of the term randomised as follows: (randomized controlled trial (Publication Type) OR ((randomized (Title/Abstract) OR randomised (Title/ Abstract)) AND controlled (Title/Abstract) AND trial