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Briani, C.; Zara, G.; Rondinone, R.; Iaccarino, L.; Ruggero, S.; Toffanin, E.; Ermani, M.; Ghirardello, A.; Zampieri, S.; Sarzi-Puttini, P.; Doria, A. . (2005). Positive and negative effects of thalidomide on refractory cutaneous lupus erythematosus. Autoimmunity, 38(7), 549–555. doi:10.1080/08916930500285790 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research