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SAKSENA, S. K.; LAU, I. F.; BARTKE, A.; CHANG, M. C. . (1975). EFFECT OF INDOMETHACIN ON BLOOD PLASMA LEVELS OF LH AND TESTOSTERONE IN MALE RATS. Reproduction, 42(2), 311–317. doi:10.1530/jrf.0.0420311 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research