For citations:
Mudunov A.M., Gelfand I.М., Ryzhova О.D., Akhundov A.A., Narimanov М.N., Ignatova A.V. Successful treatment of recurrent unresectable squamous cell carcinoma of the head and neck using pembrolizumab. Head and Neck Tumors (HNT). 2019;9(1):93-98. (In Russ.) https://doi.org/10.17650/2222-1468-2019-9-1-93-98