TY  - GEN
AU  - Friis, Robert H.
AU  - Sellers, Thomas A.
TI  - Epidemiology for public health practice
SN  - 978-0-7637-5161-6
PY  - 2009///
CY  - Boston
PB  - Jones and Bartlett
KW  - Epidemiologia
KW  - 616-036.2
KW  - 4.ed
KW  - EPI
ER  -