For citations:
Ilyin A.A., Polkin V.V., Isaev P.A., Severskaya N.V., Zhelonkina N.V., Plugar A.K., Ivanov S.A., Kaprin A.D. Spontaneous necrosis of parathyroid adenoma: clinical observation. Head and Neck Tumors (HNT). 2023;13(2):70-74. (In Russ.) https://doi.org/10.17650/2222-1468-2023-13-2-70-74