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Minghua Lu; Lan Zhang; Qiang Feng; Shifei Xia; Yuwu Chi; Ping Tong; Guonan Chen. (2008). Pressure-assisted capillary electrochromatography with electrospray ionization-mass spectrometry based on silica-based monolithic column for rapid analysis of narcotics. , 29(4), 936–943. doi:10.1002/elps.200700653 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research