Windiana IN, Kamelia LPL, Yanakusuma INGN, Sari LMKK. The Role of Calcitriol (Vitamin D) as Neuroprotection and Prognostic Biomarker in Patients With Ischemic and Hemorrhagic Stroke. J Neurol Res. 2026;16(1):30-39. doi:10.14740/jnr1089