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Bae, Jin Woo; Kim, Yong Hwy; Kim, Seung-Ki; Wang, Kyu-Chang; Shin, Hee-Young; Kang, Hyoung Jin; Park, Sung-Hye; Phi, Ji Hoon . (2015). Langerhans cell histiocytosis causing acute optic neuropathy. Child's Nervous System, 31(4), 615–619. doi:10.1007/s00381-014-2610-5 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research