[Chronic schistosomiasis japonica cases in the Tone River basin, Honshu, and its early diagnosis].
D001661:Biliary Tract Neoplasms / Q000150:complications / Q000469:parasitology; D002908:Chronic Disease; D005618:Fresh Water; D006801:Humans; D007564:Japan; D008113:Liver Neoplasms / Q000150:complications / Q000469:parasitology; D010270:Parasite Egg Count; D012554:Schistosomiasis japonica / Q000175:diagnosis* / Q000453:epidemiology