sci
hub

to open science
J.-P. Rivot; J. Montagne-Clavel; J.-M. Besson. (2002). Subcutaneous formalin and intraplantar carrageenan increase nitric oxide release as measured by in vivo voltammetry in the spinal cord. , 6(1), 25–34. doi:10.1053/eujp.2001.0268 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research