V. T. Dewi, A. A. A. P. Laksmidewi, A. A. A. Suryapraba, W. Gotera, I. P. E. Widyadharma, and I. M. O. Adnyana, “Vitamin D Deficiency as a Factor Associated with Cognitive Impairment in Patients with Type 2 Diabetes Mellitus”, Siriraj Med J, vol. 76, no. 1, pp. 1–7, Jan. 2024.