◂
sci
hub

to open science
Wing L. Sung, Fei-Long Yao, Diana M. Zahab and Saran A. Narang. (1986). Short Synthetic Oligodeoxyribonucleotide Leader Sequences Enhance Accumulation of Human Proinsulin Synthesized in Escherichia coli. Proceedings of the National Academy of Sciences of the United States of America, 83(3), 561–565. doi:10.2307/27380 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research