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Comment
. 2011 May;63(5):784.
doi: 10.1002/acr.20443.

Bias introduced by conditioning on an intermediate variable: Comment on the article by Zhang et al

Yanyan Zhu
Free article
Comment

Bias introduced by conditioning on an intermediate variable: Comment on the article by Zhang et al

Yanyan Zhu. Arthritis Care Res (Hoboken). 2011 May.
Free article
No abstract available

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