Sample size determinations in original research protocols for randomised clinical trials submitted to UK research ethics committees: review.
T. Clark, U. Berger, and U. Mansmann. BMJ (Clinical research ed.), (January 2013)7244<m:linebreak></m:linebreak>JID: 8900488; OID: NLM: PMC3604970; epublish;<m:linebreak></m:linebreak>Sample size; RCT; Protocol.
DOI: 10.1136/bmj.f1135
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