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Kwon, Junki; Jo, Youn hye; Jeong, Daun; Shon, Kilhwan; Kook, Michael S. . (2019). Baseline Systolic versus Diastolic Blood Pressure Dip and Subsequent Visual Field Progression in Normal-Tension Glaucoma. Ophthalmology, (), S0161642018331816–. doi:10.1016/j.ophtha.2019.03.001 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research