TY  - BOOK
AU  - Merrill,Ray M.
TI  - Introduction to epidemiology
SN  - 9781449665487
U1  - 614.4 M R I 221 
PY  - 2013///
CY  - Sudbury, Mass., London : 
PB  - Jones and Bartlett
KW  - Epidemiology
KW  - Epidemiologic Methods
N1  -  Includes bibliographical references and index
ER  -