TY  - BOOK
AU  -  Ahrens Wolfgang, Pigeot Iris
TI  - Handbook of epidemiology
SN  - 3540005668
U1  - WA105 
PY  - 2005///
CY  - Berlin
PB  - Springer-Verlag
KW  - Epidemiologic Methods
KW  - Epidemiology
N2  -  Epidemiology , Epidemiologic Methods
ER  -