Treatment response and retention rates of bDMARDs in advanced spinal ankylosis or bamboo spine: Real-world data from the HUR-BIO registry. - Farisoğulları, Bayram; Machado, Pedro; Yardımcı, Gözde Kübra; Bilgin, Emre; Bölek, Ertuğrul Çağrı; Sarıyıldız, Emine; Ayan, Gizem; Kılıç, Levent; Akdoğan, Ali; Bilgen, Şule Apraş; Ertenli, İhsan; Kiraz, Sedat (Journal of Turkish Society for Rheumatology, 2026)