title: The assessment of a large snail control programme over three-year period in the Gezira Irrigated Area of the Sudan.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D004812:Epidemiologic Methods; D005243:Feces / Q000469:parasitology; D005260:Female; D006801:Humans; D008297:Male; D008975:Molluscacides; D009025:Morpholines; D012550:Schistosoma mansoni / Q000276:immunology; D012552:Schistosomiasis / Q000453:epidemiology / Q000517:prevention & control*; D012908:Snails; D013397:Sudan
chemical_list: D000906:Antibodies; D008975:Molluscacides; D009025:Morpholines; C001958:trifenmorph