title: The radiographic significance of undocumented rectal bleeding.
mesh_terms: D001466:Barium Sulfate; D003092:Colitis / Q000150:complications; D004240:Diverticulum / Q000150:complications; D004733:Enema; D005260:Female; D005471:Fluoroscopy; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D007414:Intestinal Neoplasms / Q000150:complications; D007417:Intestinal Polyps / Q000150:complications; D008297:Male; D012007:Rectum
chemical_list: D001466:Barium Sulfate