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Health Information Research Unit, McMaster University, Hamilton, Canada
Clarivate Analytics, Philadelphia, USA
A. R. Jadad, BMJ Journals
Journal, The Biologists Company, Cambridge, UK
Journal, PubMed Central, National Library of Medicine, Bethesda, USA
Journal, PubMed Central, National Library of Medicine, Bethesda, MD, USA
International Standard Randomised Controlled Trial Number (ISRCTN), BioMed Central, London, UK
Strana 3 z 10