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Methods in observational epidemiology / Jennifer L. Kelsey, Alice S. Whittemore, Alfred S. Evans, W. Douglas Thompson.
- 614.4072 K2993 1996
- Kelsey, Jennifer L.,
- Oxford University Press,
- New York :
-
Methods in observational epidemiology / Jennifer L. Kelsey, W. Douglas Thompson, Alfred S. Evans.
- 614.4072 K2993
- Kelsey, Jennifer L.,
- Oxford University Press,
- New York :