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Dhadge, V. L.; Hussain, A.; Azevedo, A. M.; Aires-Barros, R.; Roque, A. C. A. . (2013). Boronic acid-modified magnetic materials for antibody purification. Journal of The Royal Society Interface, 11(91), 20130875–20130875. doi:10.1098/rsif.2013.0875 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research