Tannic acid and the barium enema.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001466:Barium Sulfate; D002648:Child; D002675:Child, Preschool; D004733:Enema; D006801:Humans; D007223:Infant; D008107:Liver Diseases / Q000209:etiology*; D008297:Male; D009336:Necrosis; D013634:Tannins / Q000494:pharmacology / Q000633:toxicity*
D013634:Tannins; D001466:Barium Sulfate