S, V., S. . K, B. . K, P. . J, S. . M, and N. . SM. “Diagnostic Value of Rheumatoid Factor and Anti-CCP in Seropositive and Seronegative Rheumatoid Arthritis Patients at a Tertiary Hospital in Tamil Nadu”. Journal of Neonatal Surgery, vol. 14, no. 26S, May 2025, pp. 272-5, https://www.jneonatalsurg.com/index.php/jns/article/view/6264.