TY  - BOOK
AU  - Gordis, Leon
TI  - Epidemiology
SN  - 9781455737338
AV  - RA 651 .G58 2014 
PY  - 2014///
CY  - Philadelphia
PB  - Elsevier Saunders
KW  - Epidemiology
KW  - Epidemiologic Methods
N1  - includes bibliographical references and index
ER  -