TY  - BOOK
AU  - Vaughan, J P
AU  - Morrow, R H
TI  - Manual of epidemology for district health management
U1  - 616-036.22(035) 
PY  - 1989///
CY  - Geneva
PB  - World Health Organisation
KW  - Epidemology
KW  - health management
ER  -