TY  - BOOK
AU  - Barker,D.J.P.; Rose, G.
TI  - Epidemiology in Medical Practice 
SN  - 0443037833
U1  - WA105 B241e 1990 
PY  - 1990///
CY  - Edinburgh
PB  - Churchill Livingstone
KW  - Epidermiology
N1  - includes bibliographical references and index
ER  -