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He, Yebing; Mu, Ketao; Liu, Rong; Zhang, Jing; Xiang, Nan . (2017). Comparison of two different regimens of intravenous methylprednisolone for patients with moderate to severe and active Graves’ ophthalmopathy: a prospective, randomized controlled trial. Endocrine Journal, 64(2), 141–149. doi:10.1507/endocrj.EJ16-0083 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research