REFERENCES
- Ritvo, M.: Chest X-ray Diagnosis. Philadelphia, Lea & Febiger, 1951, p. 329.
- Stein, G. N. and Finkelstein, A.: Hiatal hernia. Roentgen incidence and diagnosis. AM. J. Digest. Dis. 5: 77, 1960.
- Wolf, B. S. and Guglielmo, J.: Method for roentgen demonstration of minimal hiatal herniation. J. Mt. Sinai Hosp. 23: 738–741 (September-October) 1956.
- Wolf, B. S. and Cohen, B. R.: Radiologic localization of the esophageal hiatus as determined by intraluminal pressure measurements. Radiology 76: 903–910 (June) 1961.
- MacMahon, H. E., Schatski, R. and Gary, J. E.: Pathology of a lower esophageal ring: Report of case, with autopsy, observed for nine years. New England J. Med. 259: 1–8 (July 3) 1958.
- Holyoake, Y.: Dysphagia due to the lower esophageal ring. J. Fac. Radiologists 14: 158–162 (April) 1963.
- Epstein, B. S.: The effects of sustained deep inspiration on the normal lower esophagus and phrenic ampulla in erect adults. Am. J. Roentgenol. 78: 1013–1019 (December) 1957.
- Sycamore, L K.: Radiologic diagnosis of hiatus hernia. Gastroenterology 31: 169–189 (August) 1956.