For citations:
Ilyicheva E.A., Bulgatov D.A., Zharkaya A.V., Makhutov V.N., Grigoryev E.G. Surgical Treatment of Secondary Hyperparathyroidism at Ectopic Parathyroid Gland in Anterior-Superior Mediastinum (Literature Review and Clinical Case). Acta Biomedica Scientifica. 2020;5(4):84-89. (In Russ.) https://doi.org/10.29413/ABS.2020-5.4.12