“Association of 25(OH)D Serum Level With Degree of WOMAC Index in Elderly Female Patients With Knee Osteoarthritis at KPKM FK UIN Jakarta”. The Avicenna Medical Journal 2, no. 1 (July 15, 2021): 29–32. Accessed January 14, 2026. https://journal.uinjkt.ac.id/amedj/article/view/20065.