Batubara, I. F., & Sonia, S. (2026). The Effect of Vitamin D in Reducing C-reactive Protein Levels in Ulcerative Colitis: Evidence-based Case Report: Evidence-based Case Report. Cermin Dunia Kedokteran, 53(06), 388–394. https://doi.org/10.55175/cdk.v53i06.2033