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Semmler, A.; Widmann, C. N.; Okulla, T.; Urbach, H.; Kaiser, M.; Widman, G.; Mormann, F.; Weide, J.; Fliessbach, K.; Hoeft, A.; Jessen, F.; Putensen, C.; Heneka, M. T. . (2013). Persistent cognitive impairment, hippocampal atrophy and EEG changes in sepsis survivors. Journal of Neurology, Neurosurgery & Psychiatry, 84(1), 62–69. doi:10.1136/jnnp-2012-302883 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research