Results of observational studies: analysis of findings from the Nurses' Health Study.

BACKGROUND: The role of observational studies in informing clinical practice is debated, and high profile examples of discrepancies between the results of observational studies and randomised controlled trials (RCTs) have intensified that debate. We systematically reviewed findings from the Nurses&#...

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Bibliographic Details
Main Authors: Vicky Tai, Andrew Grey, Mark J Bolland
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2014-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4201544?pdf=render