TY  - BOOK
AU  - Krickeberg Klaus
AU  - Hanh Pham Thi My
AU  - Trong Pham Van
TI  - Epidemiology: key to prevention
SN  - 978-1-4614-1204-5
U1  - 614.4 
PY  - 2012///
CY  - New York
PB  - Springer-Verlag
KW  - Epidemiologic methods
KW  - Epidemiology
KW  - Preventive medicine
KW  - Public health
ER  -