Valkovskaya, T.L. “Association of Vascular Calcification and Osteopontin Concentration in Blood Plasma in Patients on Renal Replacement Therapy by Peritoneal Dialysis”. Experimental and Clinical Medicine 82, no. 1 (July 3, 2020): 81-86. Accessed August 22, 2025. https://ecm.knmu.edu.ua/article/view/368.