1. Cross, F. S., Kay, E. B., and Johnson, G. F.: Studies on Neuromuscular Imbalance of the Esophagus With Cine-Fluorography and Intra-Esophageal Pressure Studies, A. M. A. Arch. Surg. (To be published.)
2. X-ray Examination of the Stomach;Templeton,1944
3. Resting and Deglutition Pressures in the Pharyngo-Esophageal Region;Fyke;Gastroenterology,1955
4. Motor Mechanisms of the Esophagus, Particularly of Its Distal Portion;Sanchez;Gastroenterology,1953
5. Diffuse Spasm of the Lower Part of the Esophagus, Ann. Otol.;Moersch;Rhin. & Laryng.,1934