For citations:
Kuznetsov M.S., Voronov A.V., Dvoryanchikov V.V., Svistov D.V., Nikitin A.I. Subcutaneous emphysema and pneumomediastinum after endoscopic transnasal removal of nasopharyngeal angiofibroma. Head and Neck Tumors (HNT). 2021;11(2):57-63. (In Russ.) https://doi.org/10.17650/2222-1468-2021-11-2-57-63