References
- Goyal RK, Glancy JJ, Spiro HM: Lower esophageal ring: I. N Engl J Med 282: 1298–1305, 1970
- Orlando RC, Bozymski EM: Clinical and manometric effects of nitroglycerin in diffuse esophageal spasm. N Engl J Med 289: 23–25, 1973
- Rodnan GP (Editor): Primer on the Rheumatic Diseases. JAMA (Suppl) 224: 662, 1973
- Dinsmore RE, Goodman D, Dreyfuss JR: The air esophagram: A sign of scleroderma involving the esophagus. Radiology 87: 348–349, 1966
- Stevens MB, Hookman P, Siegel CI, et al: Aperistalsis of the esophagus in patients with connective-tissue disorders and Raynaud's phenomenon. N Engl J Med 270: 1218–1222, 1964
- Pope CE III: Tumors. In Sleisinger MH, Fordtran JS (Editors): Gastrointestinal Disease. Philadelphia, WB Saunders Co, 1973, pp 455–463
- Feldman F, Marshak RH: Dermatomyositis with significant involvement of the gastrointestinal tract. Am J Roentgenol Radium Ther Nucl Med 90: 746–752, 1963
- Helsper JT, Lance JS, Baldridge ET, et al: Cricopharyngeal achalasia. Am J Surg 128: 521–526, 1974
- Rubin P: Cancer of the gastrointestinal tract: I. Esophagus: Detection and diagnosis. JAMA 226: 1544–1546, 1973