Dysregulated ICOS+ proinflammatory and suppressive regulatory T cells in patients with rheumatoid arthritis. - Wang, Hong-Xia; Kang, Xia; Chu, Shuai; Li, Haixia; Li, Xin; Yin, Xiaofeng; Qiu, Yu-Rong; Lai, Weinan (Experimental & Therapeutic Medicine, 2018)