Pyvovar, S. M., Yu. S. Rudyk, T. V. Lozyk, V. Yu. Galchinskaya, M. Radziejowska, and P. Radziejowski. 2020. “THE EFFECT OF LEVOTYROXINE ON THE COURSE OF HEART FAILURE IN PATIENTS WITH NON-TOXIC GOITER”. Problems of Endocrine Pathology 71 (1):58-64. https://doi.org/10.21856/j-PEP.2020.1.08.