TY  - BOOK
AU  - Merrill,Ray M.
TI  - Introduction to epidemiology
SN  - 9780763766221
AV  - RA651 .T56 2010
PY  - 2010///
CY  - Sudbury, Mass.
PB  - Jones and Bartlett Publishers
KW  - Epidemiology
KW  - Epidemiologic
KW  - Methods
ER  -