The Increased Ratio of Blood CD56bright NK to CD56dim NK Is a Distinguishing Feature of Primary Sjögren's Syndrome. - Ming, Bingxia; Wu, Tong; Cai, Shaozhe; Hu, Peng; Tang, Jungen; Zheng, Fang; Ye, Cong; Dong, Lingli (Journal of Immunology Research, 2020)