1. Endoscopy of the small bowel;Gaisford,1976
2. Observation of the terminal ileum;Nagasako;Endoscopy,1971
3. Enteroscopy with conventional endoscopes (abstract);Rogers;Gastrointest Endosc,1983
4. Enteroscopy with a 135cm flexible scope: an improved technique for diagnosis of small bowel disease (abstract);Barkin;Gastrointest Endosc,1983
5. Enteroscopy and small bowel biopsy utilizing a peroral colonoscope;Parker;Gastrointest Endosc,1983