Methods in observational epidemiology
Kelsey, Jennifer L.
Methods in observational epidemiology - New York Oxford University Press 1986 - vi, 366 p. ill.
0195036573
Epidemiology
Epidemiologic Methods.
RA652.4 / K45
Methods in observational epidemiology - New York Oxford University Press 1986 - vi, 366 p. ill.
0195036573
Epidemiology
Epidemiologic Methods.
RA652.4 / K45
