1. Evaluation of the Various Methods of Demonstrating a Hiatus Hernia;Boyd J. W.;Amer. J. Roentgenol.,1956
2. The Effects of Sustained Deep Inspiration on the Normal Lower Esophagus and Phrenic Ampulla in Erect Adults;Epstein B. S.;Amer. J. Roentgenol.,1957
3. The Gastroesophageal Sphincter in Healthy Human Beings