“Durability of Response in Patients with Psoriatic Arthritis Treated with Certolizumab Pegol over 216 Weeks: Post-Hoc Analyses from the RAPID-PsA Study” (2020) SKIN The Journal of Cutaneous Medicine, 4(1), p. S2. Available at: https://skin.dermsquared.com/skin/article/view/801 (Accessed: 8 June 2025).