Hejun Li, Yiqing Zheng, Ling Chen, and Shunping Lin. “Antinuclear Antibody-Negative Systemic Lupus Erythematosus: How Many Patients and How to Identify?”. Archives of Rheumatology 37, no. 4 (December 31, 2022): 626–634. Accessed October 3, 2025. http://anadolupsikiyatri.net/index.php/pub/article/view/1306.