TY  - BOOK
AU  - Friedman, GD.
TI  - Primer of epidemiology 
SN  - 9780070224544 (alk. paper) :
PY  - 1994///
CY  - New York
PB  - McGraw-Hill, Inc., Health Professions Division
KW  - Public Health
KW  - Epidemiology
N1  - Includes bibliographical references and index
ER  -