TY  - BOOK
AU  -  Lilienfeld Abroham M., Lilienfeld David E.
TI  - Foundations of epidemiology
SN  - 0195027221
U1  - WA105 
PY  - 1980///
CY  - New York
PB  - Oxford Universtiy Press
KW  - Epidemiology
N2  -  Epidemiology
ER  -