A. Radhakrishnan, G. M. Jose, and M. Kurup, “PEG-penetrated chitosan–alginate co-polysaccharide-based partially and fully cross-linked hydrogels as ECM mimic for tissue engineering applications”, Prog. Biomater., vol. 4, no. 2-4, Sep. 2015, doi: 10.1007/s40204-015-0041-3.