Ayşe Cefle, Fatoş Önen, Nurullah Akkoç, Merih Birlik, İsmail Sarı, Özgül Soysal Gündüz, et al. Biological treatment in elderly and young patients with ankylosing spondylitis: TURKBIO real-life data results. Archives of Rheumatology [Internet]. 2024 Jun. 30 [cited 2025 Oct. 3];39(2):232-41. Available from: http://anadolupsikiyatri.net/index.php/pub/article/view/1411