selected population chemotherapy with 2-cyclohexylcarbonyl-1,2,3,6,7,11b-hexahydro-4h-pyrazino [ 2,1-a ] isoquinolin-4-one ( praziquantel , embay 8440 , biltricide ) alone and in combination with snail control , is being evaluated in terms of cost and impact on transmission as measured by changes in precontrol levels of incidence ( of new infections ) and infection rates in natural and sentinel populations of the snail intermediate hosts .
C0032911
praziquantel
C0702014
biltricide