Validation of the Italian versions of the Bath Ankylosing Spondylitis Functional Index (BASFI) and the Dougados Functional Index (DFI) in patients with ankylosing spondylitis. Reumatismo, [S. l.], v. 57, n. 3, p. 161–173, 2005. DOI: 10.4081/reumatismo.2005.161. Disponível em: https://www.reumatismo.org/reuma/article/view/reumatismo.2005.161. Acesso em: 2 jun. 2025.