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Huang-Wei Xu; Jing-Houng Wang; Moan-Shane Tsai; Keng-Liang Wu; Shue-Shian Chiou; Chi-Sin Changchien; Tsung Hui Hu; Sheng-Nan Lu; Seng-Kee Chuah. (2011). The effects of cefazolin on cirrhotic patients with acute variceal hemorrhage after endoscopic interventions. , 25(9), 2911–2918. doi:10.1007/s00464-011-1642-0 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research