TY  - GEN
AU  - Rothman, Kenneth J
AU  - Greenland, Sander
TI  - Modern Epidemiology
SN  - 0316757802
U1  - 614.4 
PY  - 1998///
CY  - Philadelphia
PB  - Lippincott Williams & Wilkins
KW  - Epidemiology
ER  -