title: [A simple catalytic model of an epidemiological survey of schistosomiasis japonica infection].
mesh_terms: D000293:Adolescent; D000328:Adult; D000947:Antigens, Helminth / Q000008:administration & dosage; D002648:Child; D002675:Child, Preschool; D002681:China; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012494:Sampling Studies; D012554:Schistosomiasis japonica / Q000453:epidemiology*; D012737:Sex Factors; D012882:Skin Tests
chemical_list: D000947:Antigens, Helminth