Kurbonov, A. “THE VALUE OF BIOLOGICAL MARKERS IN THE DIAGNOSIS, PREDICTION AND EVALUATION OF THE EFFECTIVENESS OF TREATMENT OF CHRONIC HEART FAILURE”. Toshkent Tibbiyot Akademiyasi Axborotnomasi, no. 1, July 2020, pp. 26-30, https://mail.journals.tma.uz/index.php/ttaa/article/view/179.