1. The surgical construction of an esophageal valve to replace the cardiac sphincter. An experimental study;Dillard,1954
2. Valvular esophagogastrostomy. A method of preventing peptic esophagitis following esophagogastric anastomosis;Watkins,1954
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4. A mucosal flap valve mechanism to prevent gastroesophageal reflux and esophagitis;Tocornal;Surgery,1968
5. Erfahrungen mit eines Klappenbildung aus Magenwand nach Kardia-resektion zur Vermeidung einer Refluxoesophagitis;Franke;Langenbecks Arch Chir,1968