4 0
Designing clinical research : an epidemiologic approach / 6
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by Stephen B. Hulley ... [et al.].
- 2nd ed.
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- xv, 336 p. : ill. 26 cm.
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Includes bibliographical references and index.
5
5
0781722187;9780781722186
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42418
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Clinical trials;Medicine;Epidemiology;Epidemiologic Methods.;Research Design. ----Technique.;Research;Methodology.;Research;Methodology.----20--
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R853.C55 / D47 20012
610/.72 / 221
/
WA 950 / D457 2001