title: Re-infection of patients in schistosomiasis mansoni endemic areas after specific treatment. I--influence of age and worm burden.
mesh_terms: D000328:Adult; D000367:Age Factors; D001938:Brazil; D002648:Child; D005243:Feces / Q000469:parasitology; D005500:Follow-Up Studies; D006801:Humans; D006826:Hycanthone / Q000627:therapeutic use; D010270:Parasite Egg Count; D012008:Recurrence; D012550:Schistosoma mansoni; D012552:Schistosomiasis / Q000188:drug therapy / Q000453:epidemiology / Q000276:immunology* / Q000469:parasitology
chemical_list: D006826:Hycanthone