sci
hub

to open science
Pas, Haiko IMFL; Winters, Marinus; Haisma, Hidde J; Koenis, Martinus JJ; Tol, Johannes L; Moen, Maarten H . (2017). Stem cell injections in knee osteoarthritis: a systematic review of the literature. British Journal of Sports Medicine, (), bjsports-2016-096793–. doi:10.1136/bjsports-2016-096793 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research