TY  - BOOK
AU  - Friedman,Gary D.
TI  - Primer of epidemiology
SN  - 0070224366 (paperback)
AV  - RA651 FRI 
PY  - 1987///
CY  - New York
PB  - McGraw-Hill
KW  - Epidemiology
N1  - Includes bibliographical references and index
ER  -