Kelsey, J. L., Thompson, W. D., & Evans, A. S. (1986). Methods in observational epidemiology / Jennifer L. Kelsey, W. Douglas Thompson, Alfred S. Evans. Oxford University Press.
Chicago Edition CitationKelsey, Jennifer L., W. Douglas Thompson, and Alfred S. Evans. Methods in Observational Epidemiology / Jennifer L. Kelsey, W. Douglas Thompson, Alfred S. Evans. New York ; Oxford: Oxford University Press, 1986.
MLA Edition CitationKelsey, Jennifer L., et al. Methods in Observational Epidemiology / Jennifer L. Kelsey, W. Douglas Thompson, Alfred S. Evans. Oxford University Press, 1986.
Warning: These citations may not always be 100% accurate.