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Risk of bias of randomized trials over time

Ludovic Reveiz1, Evelina Chapman1, Santiago Asial1

  • 1Knowledge Management, Bioethics and Research Department, Pan American Health Organization 525 23rd St, NW, Washington DC 20037-2895, USA.

Journal of Clinical Epidemiology
|August 1, 2015
PubMed
Abstract

Keywords:
MethodsQuality improvementRandomized controlled trialsResearch designRisk of biasSystematic reviews

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