Esophageal Webs [PDF]
References:

1) Tobin R. Esophageal Rings, Webs, and Diverticula. Journal of Clinical Gastroenterology 1998;27(4):285-295

2) Han SY, Mihas AA. Circumferential Web of the Upper Esophagus. Gastrointest Radiol 1978;3:7-9
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3) Nakamura R, Watanabe M, Terashima M. Dysphagia Resulting from an Upper Esophageal Web. Japanese Journal of Surgery
1991;21(6):676-681
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4) Clements JL, Cox GW, Torres WE. Cervical Esophageal Webs—A Roentgen-Anatomic Correlation. AJR 1974;121(2):221-231
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5) Shauffer IA, Phillips HE, Sequeira J. The Jet Phenomenon: A Manifestation of Esophageal Web. AJR 1977;129:747-748 [PDF]