Sevara Muratbekovna Khudayarova and Gulnara Kutbitdinovna Rakhmatullaeva, “FEATURES OF COGNITIVE DISORDERS IN PATIENTS WITH CHRONIC KIDNEY DISEASE AND THE EFFECT OF CYSTATIN C ON IT DEPENDING ON THE STAGE OF THE DISEASE”, fmspj, vol. 2, no. 03, pp. 67–77, Mar. 2022.