1. Amdrup, E., Jensen, H.-E., Johnston, D., Walker, B.E., Goligher, J.C.: Clinical results of parietal cell vagotomy (highly selective vagotomy) two-four years after operation. Ann. Surg.180:279, 1974
2. Hedenstedt, S.: Experiences of selective proximal vagotomy (SPV) 400 cases of uncomplicated and complicated ulcers during 6 years. Chir. Gastroenterol.9:205, 1975
3. Grassi, G., Orecchia, C., Cantarelli, I., Grassi, G.B.: Developments and results of our studies of vagotomy: from selective total vagotomy to ultraselective vagotomy. Chir. Gastroenterol.9:23, 1975
4. Holst-Christensen, J., Hart Hansen, O., Pedersen, T., Kronborg, O.: Recurrent ulcer after proximal gastric vagotomy for duodenal and prepyloric ulcer. Br. J. Surg.64:42, 1977
5. De Miguel, J.: Recurrence after proximal gastric vagotomy without drainage for duodenal ulcer: a 3–6 year follow-up. Br. J. Surg.64:473, 1977