Ayşe Cefle, Fatoş Önen, Nurullah Akkoç, Merih Birlik, İsmail Sarı, Özgül Soysal Gündüz, Sema Yılmaz, et al. “Biological Treatment in Elderly and Young Patients With Ankylosing Spondylitis: TURKBIO Real-Life Data Results”. Archives of Rheumatology 39, no. 2 (June 30, 2024): 232–241. Accessed October 3, 2025. http://anadolupsikiyatri.net/index.php/pub/article/view/1411.