title: Suppressive therapy in the control of bilharziasis: a comparative trial in African school children.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002986:Clinical Trials as Topic; D004341:Drug Evaluation; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008403:Mass Screening; D012548:Schistosoma haematobium; D012550:Schistosoma mansoni; D012552:Schistosomiasis / Q000188:drug therapy / Q000517:prevention & control*; D012572:School Health Services; D015030:Zimbabwe