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- [1] FOREIGN-BODY OF ESOPHAGUS ANNALES D OTO-LARYNGOLOGIE ET DE CHIRURGIE CERVICO-FACIALE, 1977, 94 (03): : 117 - 118
- [9] NEWLY RECOGNIZED FOREIGN-BODY IN ESOPHAGUS JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1975, 231 (06): : 569 - 569