Wahinuddin Sulaiman, et al. “Clinical Presentation of Systemic Lupus Erythematosus in a Rheumatology Centre in Malaysia”. Asian Journal of Medicine & Health Sciences, vol. 4, no. 2, Nov. 2021, pp. 2-10, https://ejournal.unikl.edu.my/index.php/ajmhs/article/view/97.