TY  - BOOK
ED  -  World Health Organization. 
TI  -  Malaria early warning systems: : :  concepts, indicators and partner s / 
U1  -  614.532 
PY  - 2001///
CY  -  Geneva : 
PB  -  Roll Back Malaria , 
KW  -  Malaria
KW  -  Prevention
ER  -