Congenital duodenal diaphragm in an adult: diagnosis by duodenoscopy.
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Biomedical subjects
Publications and source records attributed to I T Beck.
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A theory is proposed according to which diffuse esophageal spasm associated with carcinoma may be secondary to neural damage due to invasion by carcinoma without obstruction of the esophageal lumen. A case history is presented to support this theory.
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