◂
sci
hub

to open science
Inger Hagerman; Margareta Berglund; Jan Svedenhag; Jacek Nowak; Christer Sylvén. (1996). Beat-to-beat QRS amplitude variability after acute myocardial infarction and coronary artery bypass grafting. , 77(11), 927–931. doi:10.1016/s0002-9149(96)00030-6 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research