TY  - BOOK
AU  - Ratelle, Sylvie.
TI  - Preventive medicine and public health: PreTest self-assessment and review 
SN  - 007052534X
PY  - 1998///
CY  - New York
PB  - McGraw Hill, Health Professions Division, PreTest Series
KW  - Epidemiology
KW  - Preventive Medicine
KW  - Public Health
N1  - Includes bibliographical references (p. 203-206)
ER  -