NORIYUKI NAMURA; KAZUYA KAMADA; TAKAHUMI HAGIWARA; KANAE TAKAHASHI; KIYOSHI MATSUI. Disease activity and changes in the fibrosis-4 index in patients with rheumatoid arthritis treated with methotrexate for a short period. Archives of Rheumatology, [S. l.], v. 40, n. 1, p. 053–062, 2025. DOI: 10.46497/ArchRheumatol.2025.10702. Disponível em: http://anadolupsikiyatri.net/index.php/pub/article/view/1469. Acesso em: 3 oct. 2025.