Epidemiology :
MacMahon, Brian,
Epidemiology : principles and methods / Brian MacMahon, Thomas F. Pugh. - Boston : Little, Brown, 1970. - ix, 376 p. :
CSMCH764
Epidemiology.
614.49 / Ep
Epidemiology : principles and methods / Brian MacMahon, Thomas F. Pugh. - Boston : Little, Brown, 1970. - ix, 376 p. :
CSMCH764
Epidemiology.
614.49 / Ep