Handono K, Marisa D, Kalim H. Association Between the Low Levels of Vitamin D and Treg Function in Systemic Lupus Erythematosus Patients. Acta Med Indones [Internet]. 2016May18 [cited 2026Feb.10];45(1). Available from: https://actamedindones.org/index.php/ijim/article/view/117