Elwood, Mark
Critical appraisal of epidemiological studies and clinical trials
Oxford University Press, 2010
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Elwood, Mark
Critical appraisal of epidemiological studies and clinical trials
Oxford University Press, 2017
 eBooks
Designs for clinical trials; perspectives on current issues
edited by David Harrington
Springer, 2012
 eBooks
Hulley, Stephen
Designing clinical research
Lippincott Williams & Wilkins, 2007
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Fletcher, Robert H.
Clinical epidemiology : the essentials
Williams & Wilkins, 1996
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