Selection of Controls in Case-Control Studies

American Journal of Epidemiology - Tập 135 Số 9 - Trang 1019-1028 - 1992
Sholom Wacholder1, Joseph K. McLaughlin1, Debra T. Silverman1, Jack S. Mandel2
1Biostatistics Branch, National Cancer InstituteBe-thesda, MD.
2Department of Environmental and Occupational Health, School of Public Health, University of MinnesotaMinneapolis, MN.

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