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Beck, Roy W.; Cleary, Patricia A.; Anderson, Malcolm M.; Keltner, John L.; Shults, William T.; Kaufman, David I.; Buckley, Edward G.; Corbett, James J.; Kupersmith, Mark J.; Miller, Neil R.; Savino, Peter J.; Guy, John R.; Trobe, Jonathan D.; McCrary, John A.; Smith, Craig H.; Chrousos, Georgia A.; Thompson, H. Stanley; Katz, Barrett J.; Brodsky, Michael C.; Goodwin, James A.; Atwell, Constance W. . (1992). A Randomized, Controlled Trial of Corticosteroids in the Treatment of Acute Optic Neuritis. New England Journal of Medicine, 326(9), 581–588. doi:10.1056/NEJM199202273260901 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research