Observational studies: a review of study designs, challenges and strategies to reduce confounding

Title
Observational studies: a review of study designs, challenges and strategies to reduce confounding
Authors
Keywords
-
Journal
INTERNATIONAL JOURNAL OF CLINICAL PRACTICE
Volume 63, Issue 5, Pages 691-697
Publisher
Wiley
Online
2009-04-03
DOI
10.1111/j.1742-1241.2009.02056.x

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