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Feng, Song; Wang, Zhifei; He, Xuchang; Zheng, Suxin; Xia, Yu; Jiang, Hualiang; Tang, Xican; Bai, Donglu (2005).
Bis-huperzine B: Highly Potent and Selective Acetylcholinesterase Inhibitors. Journal of Medicinal Chemistry, 48(3), 655–657.
doi:10.1021/jm0496178
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An interview with Sci-Hub Founder Alexandra Elbakyan Who exactly should pay for academic research
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