TY  - GEN
AU  - Merrill, Ray M.
TI  - Introduction to epidemiology
SN  - 978-0-7637-6622-1
PY  - 2010///
CY  - Sudbury
PB  - Jones and Bartlett Publishers
KW  - Epidemiologia
KW  - 616-036.2 INT
ER  -