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Xuan, Jin; Jing, Zhang; Yuanfang, Zhu; Xiaoju, He; Pei, Li; Guiyin, Jin; Yu, Zeng . (2016). Comprehensive analysis of DNA methylation and gene expression of placental tissue in preeclampsia patients. Hypertension in Pregnancy, (), 1–10. doi:10.3109/10641955.2015.1117099 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research