“The Relationship of Vitamin D 25(OH)D Levels With The Incidence of Hypertension on The Elderly at Public Health Clinic”. The Avicenna Medical Journal 1, no. 2 (November 10, 2020): 9–12. Accessed July 26, 2026. https://journal.uinjkt.ac.id/index.php/amedj/article/view/20123.