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Vijayan, Amritha; A., Sabareeswaran; Kumar, G. S. Vinod . (2019). PEG grafted chitosan scaffold for dual growth factor delivery for enhanced wound healing. Scientific Reports, 9(1), 19165–. doi:10.1038/s41598-019-55214-7 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research