TY  - BOOK
AU  - Barker,D.J.P.
AU  - Bennett,F.J.
TI  - Practical epidemiology
AV  - RA652 .B37 1976
U1  - 614.4/0723 19
PY  - 1976///
CY  - Edinburgh, New York
PB  - Churchill Livingstone
KW  - Epidemiology
KW  - Technique
N1  - Includes index; Bibliography: p. [155]
ER  -