sci
hub

to open science
. (2009). 423. Optimized Aptamer-siRNA Chimeras Reduce PSMA-Expressing Tumors upon Systemic Delivery. Molecular Therapy, 17(), S165–S166. doi:10.1016/s1525-0016(16)38781-0 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research