Rheumatoid arthritis: frequency of hospitalization and evaluation of economic burden. Reumatismo, [S. l.], v. 53, n. 3, p. 215–222, 2001. DOI: 10.4081/reumatismo.2001.215. Disponível em: https://www.reumatismo.org/reuma/article/view/reumatismo.2001.215. Acesso em: 7 jun. 2025.