Natural Killer and Natural Killer T Cells as a Prognostic Factor for Rheumatoid Arthritis and Ankylosing Spondylitis. International Journal of Biomedical Research, [S. l.], v. 6, n. 5, p. 301–308, 2015. DOI: 10.7439/ijbr.v6i5.2004. Disponível em: https://www.ssjournals.co.in/index.php/ijbr/article/view/2004. Acesso em: 15 mar. 2026.