El Omri, N., F. Mekouar, Y. Sekkach, M. Jira, M. El Qatni, N. Assoufi, S. El Khader, T. Amezyane, D. Ghafir, and R. Eljaoudi. “Serum Vitamin D and Vitamin D Receptor Gene Polymorphism in Moroccan Patients With Systemic Lupus Erythematosus”. International Journal of Research in Medical Sciences, vol. 5, no. 3, Feb. 2017, pp. 811-5, doi:10.18203/2320-6012.ijrms20170467.