TY  - BOOK
AU  - Timmreck, Thomas C  .
TI  - Introduction epidemiology / 
SN  - 0-7637-0060-6
U1  - L:4:51 
PY  - 2002///
CY  - Sudbury : 
PB  - Jones And Bartlett Publishers , 
KW  - Epidemiology
ER  -