Ashikova, K.A. and Kolev, N. 2020. Do We Optimize Vitamins and Folic Acid Treatment in Dialysis Patients? New and Old Challenges. International Journal For Research In Health Sciences And Nursing . 6, 2 (Feb. 2020), 44–52. DOI:https://doi.org/10.53555/hsn.v6i2.1232.