The effect of using different reference dates for control exposure measurement on relative risk estimates in a case-control study.


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  2. The effect of using different reference dates for control exposure measurement on relative risk estimates in a case-control study.


  3. The effect of using different reference dates for control exposure measurement on relative risk estimates in a case-control study.

Rampey AH Jr, Irwin KL, Oberle MW, Kinchen S, Lee NC, Marsden A, Rosero-Bixby L. The effect of using different reference dates for control exposure measurement on relative risk estimates in a case-control study. J Clin Epidemiol. 1993 May;46(5):431-4.

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