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US Food and Drug Administration documents can provide unpublished evidence relevant to systematic reviews
McDonagh, Marian S., Peterson, Kim, Balshem, Howard, Helfand, MarkVolume:
66
Language:
english
Journal:
Journal of Clinical Epidemiology
DOI:
10.1016/j.jclinepi.2013.05.006
Date:
October, 2013
File:
PDF, 315 KB
english, 2013