REFERENCES
- Kronborg, O, Hage, E, Deichgraeber, E. Scand J Gastroenterol 1981, 16, 879–884
- Kronborg, O, Hage, E, Adamsen, S, Deichgraeber, E. Scand J Gastroenterol 1983, 18, 1095–1099
- Welin, S, Welin, G. The double contrast examination of the colon. Experiences with the Welin modification. Georg Thieme, Stuttgart, 1976
- Christie, JP. Gastrointest Endosc 1981, 27, 185–186
- Shinya, H. Gastrointest Endosc 1981, 27, 186–187
- Welch, CE, Hedberg, SE. Polypoidlesions of the gastrointestinal tract. W.B. Saunders Co., Philadelphia, 1975, 144–185
- Fairbairn, RD, Dean, ACB, McNair, TJ. J R Coll Surg Edinb 1981, 26, 150–152
- Day, DW, Morson, BC. In: Hunt, RH, Waye, JD, eds. Colonoscopy techniques, clinical practice and colour atlas. Chapman and Hall, London, 1981, 301–326
- Attiyeh, FF. In: Stearns, MW, ed. Neoplasms of the colon, rectum, and anus. John Wiley & Sons, New York, 1980, 193–197