Balloon dilatation of benign oesophageal strictures.

I Salenius P. Ontogenesis of the human gastric epithelial cells. Acta Anatomica 1962; 50: suppl 46: 1-76. 2 Kirk RM. Could chronic pcptic ulcers be localised areas of acid susceptibility generated by autoimmunity'? Lancet 1986; i: 772-4. 3 Kirk RM. Factors determining the site of chronic gastroduodenal ulcers. Hepatogastroenterol 1982; 29: 75-85. 4 Naik KS, Lagopoulos M, Primrose JN, Johnston D. The 'acid antrum' as a possible cause of recurrent ulceration after highly selective vagotomy (HSV): a histological study [Abstract]. Gut 1987; 28: A 1411. 5 Kirk RM. Are gastric and duodenal ulcers separate diseases or do they form a continuum? Dig Dis Sci 1981; 26: 149-54.