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Ayami Kondo; Makio Mogi; Yasuko Koshihara; Akifumi Togari. (2001). Signal transduction system for interleukin-6 and interleukin-11 synthesis stimulated by epinephrine in human osteoblasts and human osteogenic sarcoma cells. , 61(3), 319–326. doi:10.1016/s0006-2952(00)00544-x 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research