Lilienfeld, Abraham M.
Foundations of epidemiology / - 2d ed. - New York : Oxford University Press, 1980. - xv, 375 p. : ill. ;
0195027221 019502723X (pbk.)
Epidemiology.
Epidemiologic methods.
Epidemiology.
614.4 / L54
Foundations of epidemiology / - 2d ed. - New York : Oxford University Press, 1980. - xv, 375 p. : ill. ;
0195027221 019502723X (pbk.)
Epidemiology.
Epidemiologic methods.
Epidemiology.
614.4 / L54