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Hada, M.; Sakihama, T.; Kamiya, K.; Tasaka, K.; Ueno, A. . (1993). Cellular and Humoral Immune Responses to Vascular Components in Thromboangiitis Obliterans. Angiology, 44(7), 533–540. doi:10.1177/000331979304400705 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research