GEMCIOGLU, E.; ERTEN, S. Clinical and Laboratory features of patients with undifferentiated pondyloarthritis and ankylosing spondylitis. Revista Médica de Chile, [S. l.], v. 149, n. 10, 2021. Disponível em: https://revistamedicadechile.cl/index.php/rmedica/article/view/9145. Acesso em: 14 nov. 2025.