References
- Dick R. C. S., Hurst A. Chronic peptic ulcer of oesophagus and its association with congenitally short oesophagus and diaphragmatic hernia. Quart. J. Med. 1942; 11: 105–120
- Hightower N. C., Jr. Esophageal motility in health and disease. Dis. Chest 1955; 28: 150–169
- Jackson Chevalier. The diaphragmatic pinchcock in so-called cardiospasm. Laryngoscope 1922; 32: 139–142
- Marchand P. The gastro-oesophageal sphincter and the mechanism of regurgitation. Brit. J. Surg. 1954/55; 42: 504–513