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McNeil, Scott E.. (2018). [Methods in Molecular Biology] Characterization of Nanoparticles Intended for Drug Delivery Volume 1682 || Considerations and Some Practical Solutions to Overcome Nanoparticle Interference with LAL Assays and to Avoid Endotoxin Contamination in Nanoformulations. , 10.1007/978-1-4939-7352-1(Chapter 3), 23–33. doi:10.1007/978-1-4939-7352-1_3 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research