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Comment
. 2009 Sep 1;170(5):667-8; author reply 668-9.
doi: 10.1093/aje/kwp239. Epub 2009 Jul 31.

Re: "Immortal time bias in pharmacoepidemiology"

Victor A Kiri, Gilbert Mackenzie
Comment

Re: "Immortal time bias in pharmacoepidemiology"

Victor A Kiri et al. Am J Epidemiol. .
No abstract available

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