[The etiology of chronic diarrhea--an analysis of 433 cases].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002681:China; D002908:Chronic Disease; D003110:Colonic Neoplasms / Q000150:complications; D003967:Diarrhea / Q000209:etiology*; D004404:Dysentery, Amebic / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D012554:Schistosomiasis japonica / Q000150:complications