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Xu, J.; Wang, W.; Shi, H.; Chen, S.; Liu, Z.; Li, W.; Zhang, J.; Li, Y.; Chen, N. . (2011). Chronic kidney disease is prevalent in Chinese patients admitted with verified cerebrovascular lesions and predicts short-term prognosis. Nephrology Dialysis Transplantation, 26(8), 2590–2594. doi:10.1093/ndt/gfq748 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research