Serum immunoglobulin levels in systemic lupus erythematosus: is IgA level an activity criterion . Annals of Medical Research, [S. l.], v. 2, n. 4, p. 0336–0342, 2021. Disponível em: http://annalsmedres.org/index.php/aomr/article/view/2466. Acesso em: 15 oct. 2025.