Limitations of combined flexible sigmoidoscopy and double-contrast barium enema in patients with rectal bleeding.
Gelfand
D W
DW
Ott
D J
DJ
D001466:Barium Sulfate; D004733:Enema; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D011859:Radiography; D012007:Rectum / Q000000981:diagnostic imaging; D012812:Sigmoidoscopy
D001466:Barium Sulfate