1. Adenoma of the duodenal bulb;BOYER, C.W.; HELFRICH, R.B.;American Journal of Roentology,1966
2. Villous tumours of upper gastro-intestinal tract;BREMER, E.H.; BATTAILE, W.G.; BULLE, P.H.;American Journal of Gastroenterology,1968
3. Leiomyoma of duodenum causing recurrent bleeding;DAWSON, J.L.;Gut,1964
4. Duodenal obstruction due to malignant villous adenoma;DWYER, W.A.; O'BRIEN, R.F.,1970
5. Personal communication;GLEESON, M.,1971