S. Shella, N. S. Arto, R. R. Tarigan, M. R. Nasution, M. R. Lubis, and S. Youvella, “Relationship Between Serum Uric Acid, Serum Uric Acid-to-Creatinine Ratio and Estimated Glomerular Filtration Rate in Patients with Stage 3–5 Chronic Kidney Diseases”, IJGHR, vol. 8, no. 5, pp. 565–572, Sep. 2026.