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Comment
. 2006 Jun 15;163(12):1157-8; author reply 1159-61.
doi: 10.1093/aje/kwj163.

Re: "Easy SAS calculations for risk or prevalence ratios and differences"

L Tian, K Liu
Comment

Re: "Easy SAS calculations for risk or prevalence ratios and differences"

L Tian et al. Am J Epidemiol. .
No abstract available

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