TY  - BOOK
AU  - Merril,Ray M.
AU  - Timmreck,Thomas C.
TI  - Introduction to epidemiology
SN  - 0763735825
PY  - 2006///
CY  - Sudbury, Mass.
PB  - Jones and Bartlett Publishers
KW  - Epidemiologic Methods
KW  - Epidemiology
N1  - Rev. ed. of: An introduction to epidemiology / Thomas C. Timmreck. 3rd ed. c2002
ER  -