Emrizal, Kemala, Laniyati Hamijoyo, and Lynna Lidyana. “Correlation of Anxiety Disorder and Quality of Life in Systemic Lupus Erythematosus Patients”. Indonesian Journal of Rheumatology 11, no. 1 (June 12, 2019). Accessed March 28, 2024. https://journalrheumatology.or.id/index.php/ijr/article/view/111.