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Comment
. 1997 Nov 1;146(9):786-8.
doi: 10.1093/oxfordjournals.aje.a009356.

Re: "Assessing the direction of causality in cross-sectional studies"

P M Kulkarni, S Wang
Comment

Re: "Assessing the direction of causality in cross-sectional studies"

P M Kulkarni et al. Am J Epidemiol. .
No abstract available

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