For citations:
Stanyakina E.E., Romanov I.S., Kondratieva T.T., Krylov A.S., Ryzhkov A.D., Shiryaev S.V. Medullary thyroid cancer. Returning to the need to determine the preoperative basal calcitonin level in patients with thyroid nodular pathology. Endocrine Surgery. 2018;12(4):188-195. (In Russ.)