Seri Y, Shoda H, Suzuki A, Matsumoto I, Sumida T, Fujio K, Yamamoto K. Peptidylarginine deiminase type 4 deficiency reduced arthritis severity in a glucose-6-phosphate isomerase-induced arthritis model. Scientific Reports. 2015 Aug 21;5(1):13041. doi: 10.1038/srep13041.