TY  - BOOK
AU  - Barker, D. J. P.
AU  - Cooper, C.
AU  - Rose, G. A.
TI  - Epidemiology in medical practice
SN  - 044305620X
U1  - 614.4 BAR 
PY  - 1998///
CY  - London
PB  - Churchill Livingstone
ER  -