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Comment
. 2007 Jun;36(3):677-8.
doi: 10.1093/ije/dym112. Epub 2007 Jun 25.

Commentary: Assessing the quality of observational studies--or a lesson from Mars

Erik von Elm  1
Affiliations
Free article
Comment

Commentary: Assessing the quality of observational studies--or a lesson from Mars

Erik von Elm. Int J Epidemiol. 2007 Jun.
Free article
No abstract available

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