title: Water-contact patterns and Schistosoma mansoni infection in a rural community in northeast Brazil.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001938:Brazil; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D010270:Parasite Egg Count; D012423:Rural Health; D012555:Schistosomiasis mansoni / Q000453:epidemiology / Q000635:transmission*; D012722:Sewage; D012959:Socioeconomic Factors; D014871:Water Microbiology; D014881:Water Supply
chemical_list: D012722:Sewage