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Zhang, Xuesong; Hu, Wenhao; Yu, Jiayi; Wang, Zheng; Wang, Yan . (2016). An Effective Treatment Option for Kümmellʼs Disease with Neurological Deficits. SPINE, (), 1–. doi:10.1097/brs.0000000000001467 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research