De Filippis, L.G., A. Balestrieri, P. Furfari, A. Caliri, A. Africa, and G. Bagnato. “Muscle Activation Patterns and Gait Biomechanics in Patients With Ankylosing Spondylitis”. Reumatismo 58, no. 2 (June 30, 2006): 132–137. Accessed November 22, 2024. https://www.reumatismo.org/reuma/article/view/reumatismo.2006.132.