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Xiao, Bo; Hu, Weiguo; Zhang, Xin; Chen, Song; Li, Yuhong; Li, Jianxing . (2015). Ultrasound-guided mini-percutaneous nephrolithotomy in patients aged less than 3 years: the largest reported single-center experience in China. Urolithiasis, (), –. doi:10.1007/s00240-015-0809-x 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research