PubMed Field Tags for Systematic Reviews and Expert Searches

<p>Debate exists among expert searchers using PubMed about which fields to use for keyword searching. We sought to determine precision, recall, and number needed to read for searches using different PubMed field tags and field tag combinations.</p

Study databases and search keywords (or final search strategy, if reported), N = 19, May 28–29, 2015.

<p>Study databases and search keywords (or final search strategy, if reported), N = 19, May 28–29, 2015.</p

PRISMA Flow Diagram, May 28–29, 2015.

<p>PRISMA Flow Diagram, May 28–29, 2015.</p