Clinical trial registration was not an indicator for low risk of bias.
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DOI: 10.1016/j.jclinepi.2016.11.011
Abstract: OBJECTIVES To determine the prevalence of registered trials and to evaluate the risk of bias between registered and unregistered clinical trials. STUDY DESIGN AND SETTING The Cochrane Gynecology and Fertility Group's specialized register was searched… read more here.
Keywords: risk; trial; registered trials; unregistered trials ... See more keywords