◂
sci
hub

to open science
Fine, Paul E. M.; Chen, Robert T. . (1992). Confounding in Studies of Adverse Reactions to Vaccines. American Journal of Epidemiology, 136(2), 121–135. doi:10.1093/oxfordjournals.aje.a116479 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research