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Developing a geographic search filter to identify randomised controlled trials in Africa: finding the optimal balance

Elizabeth Pienaar1, Liesl Grobler, Karishma Busgeeth

  • 1South African Cochrane Centre, Medical Research Council, Tygerberg, South Africa. elizabeth.pienaar@mrc.ac.za

Health Information and Libraries Journal
|August 12, 2011
PubMed
Abstract

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