Volunteer bias in recruitment, retention, and blood sample donation in a randomised controlled trial involving mothers and their children at six months and two years: a longitudinal analysis.

BACKGROUND: The vulnerability of clinical trials to volunteer bias is under-reported. Volunteer bias is systematic error due to differences between those who choose to participate in studies and those who do not. METHODS AND RESULTS: This paper extends the applications of the concept of volunteer bi...

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Váldodahkkit:	Sue Jordan, Alan Watkins, Mel Storey, Steven J Allen, Caroline J Brooks, Iveta Garaiova, Martin L Heaven, Ruth Jones, Sue F Plummer, Ian T Russell, Catherine A Thornton, Gareth Morgan
Materiálatiipa:	Artigo
Giella:	Inglês
Almmustuhtton:	Public Library of Science (PLoS) 2013-01-01
Ráidu:	PLoS ONE
Liŋkkat:	http://europepmc.org/articles/PMC3706448?pdf=render
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Volunteer bias in recruitment, retention, and blood sample donation in a randomised controlled trial involving mothers and their children at six months and two years: a longitudinal analysis.

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