TY  - BOOK
AU  - Timmreck,Thomas C..
TI  - An introduction to epidemiology / 
SN  - 0763700606
U1  - 614.4 
PY  - 2002///
CY  - London : 
PB  - Jones & Bartlett , 
KW  - EPIDEMIOLOGY
N1  - includes bibliographical references, index and internet sites
ER  -