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Xu, Wei-Han; Hu, Xiao-Ling; Liu, Xiao-Fang; Bai, Peng; Sun, Yong-Chang . (2016). Peripheral Tc17 and Tc17/Interferon-γ Cells are Increased and Associated with Lung Function in Patients with Chronic Obstructive Pulmonary Disease. Chinese Medical Journal, 129(8), 909–. doi:10.4103/0366-6999.179798 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research