Pakchotanon, Rattapol, et al. “RANDOMIZED DOUBLE-BLIND CONTROLLED TRIAL TO EVALUATE EFFICACY OF VITAMIN D SUPPLEMENTATION AMONG PATIENTS WITH SYSTEMIC LUPUS ERYTHEMATOSUS”. Journal of Southeast Asian Medical Research, vol. 4, no. 1, June 2020, pp. 24-32, doi:10.55374/jseamed.v4i1.57.