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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
Journal, BioMed Central, London, UK
Journal, The FASEB Journal, Bethesda, MD, USA
JDRFI, New York, USA
NLM, NIH Bethesda, MD, USA
Nobel Foundation, Stockholm, Sweden
Journal, Faculty of Medicine, Bratislava, Slovakia
Journal, Association of Brazilian Scientific Societes, Ribeirão Preto, Brazil
Textbook, The National Academies Press, Washington, USA
Strana 2 z 5