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Xu, Xiaxia; Zheng, Chenguang; An, Lei; Wang, Rubin; Zhang, Tao . (2016). Effects of Dopamine and Serotonin Systems on Modulating Neural Oscillations in Hippocampus-Prefrontal Cortex Pathway in Rats. Brain Topography, 29(4), 539–551. doi:10.1007/s10548-016-0485-3 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research