Pi, Yeli Magnetic Apposition across the Epiglottis: Radiographic and Operative Correlation of a Rare Hypopharyngeal Foreign Body. [electronic resource] - Case reports in radiology 2020 - 3245634 p. digital Publication Type: Case Reports; Journal Article ISSN: 2090-6862 Standard No.: 10.1155/2020/3245634 doi