TY  - BOOK
AU  - Barker, David James
AU  - Hall, A. j.
TI  - Practical epidemiology
T2  - Medicine in the Tropics
SN  - 9780443037870
U1  - 614.40723 
PY  - 1991///
CY  - London
PB  - Churchill
KW  - Epidemiology - Technique
KW  - Man Diseases - Epidemiology
N1  - Includes bibliographical references and  index
ER  -