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Transnasal esophagoscopy: state of the art. |
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| Authors: | Jonathan E Aviv |
| Affiliation: | Division of Laryngology and the Voice and Swallowing Center, Department of Otolaryngology-Head and Neck Surgery, College of Physicians and Surgeons, Columbia University, New York, New York, USA. javivmd@aol.com |
| Abstract: | |
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