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Wang, R.; Jaw, J. J.; Stutzman, N. C.; Zou, Z.; Sun, P. D. . (2012). Natural killer cell-produced IFN-  and TNF-  induce target cell cytolysis through up-regulation of ICAM-1. Journal of Leukocyte Biology, 91(2), 299–309. doi:10.1189/jlb.0611308 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research