Circulating regulatory T cells were absolutely decreased in dermatomyositis/polymyositis patients and restored by low-dose IL-2. Issue 8 (14th October 2019) - Zhang, Sheng-Xiao; Wang, Jia; Sun, He-Hua; Zhang, Jia-Qian; Liu, Guang-Ying; Luo, Jing; He, Pei-Feng; Li, Xiao-Feng