1. Adler, H. R., C. N. Firme, and J. M. Lamgau: A valve mechanisme to prevent gastroesophageal reflux and esophagitis. Surgery 44, 63 (1958).
2. Alexander, J.: The collaps therapy of pulmonary tuberculosis, p. 49. Springfield (Ill. ): Ch. C. Thomas 1937.
3. Allison, P. R., and J. Borrie: The treatment of malignant obstruction of the cardia. Brit. J. Surg. 37, 1 (1949).
4. Allison, P. R., and J. Borrie: Reflux esophagitis, sliding hiatal hernia and the anatomy of repair. Surg. Gynec. Obstet. 92, 419 (1951).
5. Amendola, F. H.: An unusual complication of interruption of the left phrenic nerve in the management of esophageal hiatus hernia. Surg. Gynec. Obstetr. 100, 379 (1955).