İlker Yağcı, Eylem Akcan, Pelin Yıldırım, Mehmet Ağırman, and Zeynep Güven. “Fibromyalgia Syndrome in Patients With Chronic Low Back Pain”. Archives of Rheumatology 25, no. 1 (January 31, 2010): 037–040. Accessed October 3, 2025. http://anadolupsikiyatri.net/index.php/pub/article/view/340.