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Wu, Bin; Yan, Bo; Hu, Rui; Tian, Shan; Ni, Yali; Liang, Yu; Wang, Yunshan; Zhang, Yingchun . (2020). Comparison between embryos transferred with self-spent and fresh medium on reproductive outcomes: a prospective randomized trial. Systems Biology in Reproductive Medicine, (), 1–7. doi:10.1080/19396368.2020.1764132 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research