Das, S K, N Banerjee, S Khaskil, and S S Mukherjee. “Pyoderma Gangrenosum and High Titer Serum Aanti-CCP2 Antibodies”. Journal of Nepal Medical Association 52, no. 185 (March 31, 2012). Accessed May 2, 2024. http://jnma.com.np/jnma/index.php/jnma/article/view/58.