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Summer Institute for Systematic Reviews in Nutrition for Global Policy Making: A Library Resource Guide: Search Strategy Development Tools

A collaboration of the World Health Organization, the Cochrane Collaboration and Cornell University

Cochrane Highly Sensitive Search Strategy for Identifying Randomized Trials in MEDLINE

Add the following line to your search strategy with AND

(randomized controlled trial [pt] OR controlled clinical trial [pt] OR randomized [tiab] OR placebo [tiab] OR drug therapy [sh] OR randomly [tiab] OR trial [tiab] OR groups [tiab])

Source: http://training.cochrane.org/handbook

Higgins
, J.P.T. and Green, S. (eds.) (2011). Cochrane Handbook for Systematic Reviews of
Interventions, Version 5.1.0, available from
http://handbook.cochrane.org/
.
Higgins
, J.P.T. and Green, S. (eds.) (2011). Cochrane Handbook for Systematic Reviews of
Interventions, Version 5.1.0, available from
http://handbook.cochrane.org/
.

Methodology Search Filters

Human Studies Filter

Add the following lines to your search strategy to exclude animal studies (line numbers are examples only, line 8 = final search strategy before addition of human studies filter): 

8

#3 AND #6 AND #7

9

animals [mh] NOT humans [mh]

10

#8 NOT #9

 

PubMed SR Search Strategy Template