TY  - BOOK
AU  - Friedman,Gary D.
TI  - Primer of epidemiology
SN  - 007022434X
AV  - RA651 .F68 1980
U1  - 614.4 
PY  - 1980///
CY  - New York
PB  - McGraw-Hill
KW  - Epidemiology
N1  - Includes bibliographies and index
ER  -