Zalev A H, McLennan M K
Department of Radiology, University of Toronto, St. Michael's Hospital, Ont.
Can Assoc Radiol J. 1991 Apr;42(2):141-3.
The authors describe a technique for obtaining a double-contrast hypotonic duodenogram after a small-bowel enema examination. They have used this technique successfully in patients with unexplained gastrointestinal bleeding and to assess duodenal involvement in patients with Crohn's disease.