Checkoway, Harvey
Research methods in occupational epidemiology
Oxford University Press , 1989
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Research methods in occupational epidemiology
by Harvey Checkoway, Neil Pearce, Douglas J. Crawford-Brown
Oxford University Press, 1989
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Walker, Alexander M.
Observation and inference : an introduction to the methods of epidemiology
Lower Falls Epidemiology Resainces, 1991
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Grobbee, Diederick E.
Clinical epidemiology : principles, methods, and applications for clinical research
Jones and Bartlett Publishers , 2015
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Grobbee, Diederick E.
Clinical epidemiology: principles, methods, and applications for clinical research
Jones &​ Bartlett Learning, 2015
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