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Esophagography and Esophagoscopy: Comparison in the Examination of Patients With Head and Neck CarcinomaNino-Murcia, M.; Vincent, M. E.; Vaughan, C.; Fee, W. E.; Goode, R. L.; Robbins, A. H.; Zboralske, F. F. · Archives of Otolaryngology - Head and Neck Surgery · 1990