Evolution of the clinical gradient of Schistosoma mansoni infection in a small town in north-eastern Brazil.
D000293:Adolescent; D000328:Adult; D001938:Brazil; D002648:Child; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D012494:Sampling Studies; D012552:Schistosomiasis / Q000150:complications / Q000453:epidemiology* / Q000401:mortality; D013163:Splenomegaly / Q000209:etiology