TY  - BOOK
AU  - Thomas c. Timmreck
TI  - An introduction to epidemiology
SN  - 0-7637-0060-6
U1  - 617.601 
PY  - 2002///
CY  - sudbury
PB  - J&B
KW  - Community Dentistry(617.601)
N1  - introduction ; epidemiology
ER  -