Prevention of disease in the tropics: questions in health economics.
D000349:Africa; D002648:Child; D003153:Community Health Services / Q000191:economics; D003150:Community Health Workers; D003906:Developing Countries; D005260:Female; D006275:Health Facility Planning; D006801:Humans; D008288:Malaria / Q000191:economics / Q000517:prevention & control; D008297:Male; D009032:Mosquito Control; D011314:Preventive Health Services / Q000191:economics*; D013188:Sri Lanka