Reader's guide to critical appraisal of cohort studies: 1....

Reader's guide to critical appraisal of cohort studies: 1. Role and design

Gurwitz, J. H
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Volume:
330
Language:
english
Journal:
BMJ
DOI:
10.1136/bmj.330.7496.895
Date:
April, 2005
File:
PDF, 87 KB
english, 2005
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