sci
hub

to open science
Singer, Clifford; Tractenberg, Rochelle E; Kaye, Jeffrey; Schafer, Kim; Gamst, Anthony; Grundman, Michael; Thomas, Ronald; Thal, Leon J. (2003). A multicenter, placebo-controlled trial of melatonin for sleep disturbance in Alzheimer's disease.. Sleep, 26(7), 893–901. doi:10.0000/PMID14655926 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research