TY  - BOOK
AU  - Webb, Penny 
AU  - Bain, Chris 
AU  - Pirozzo, Sandi
TI  - Essential epidemiology: An introduction for students and health pofessionals 
SN  - 9780521546614
U1  - 614.4 
PY  - 2005///
CY  - London
PB  - Cambridge University Press
KW  - Medicine
KW  - Epidemiology
KW  - Public health
KW  - Epidemics
KW  - Public preventive medicine
ER  -