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Dupont, S. A.; Dispenzieri, A.; Mauermann, M. L.; Rabinstein, A. A.; Brown, R. D. . (2009). Cerebral infarction in POEMS syndrome: Incidence, risk factors, and imaging characteristics. Neurology, 73(16), 1308–1312. doi:10.1212/WNL.0b013e3181bd136b 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research