TY  - BOOK
AU  - Timmreck, Thomas C  .
TI  - Introduction to epidemiology / 
SN  - 0-7637-0635-3
U1  - L:51 
PY  - 1988///
CY  - Massachusetts : 
PB  - Jones And Bartlett Publishers , 
KW  - Epidemiology
ER  -