TY  - BOOK
T1  - A short course in epidemiology
A1  - Norell, Staffan E.
PP  - New York
PB  - Raven Press
YR  - 1992
UL  - https://tuklas.up.edu.ph/Record/UP-1685523046125191974
OP  - 192
CN  - RA 651 N67 1992
SN  - 0881678422
KW  - Epidemiology.
ER  -