Pyvovar, S. M., Yu. S. Rudyk, T. V. Lozyk, V. Yu. Halchinska, and T. O. Chenchyk. 2019. “The Features of ‘low T3’ Syndrome Definition in a Heart Failure and Its Effect on a Course of the Disease”. Zaporozhye Medical Journal, no. 4 (July). https://doi.org/10.14739/2310-1210.2019.4.173178.