Zhu, Guo-Quan, Fa-Gang Wang, Qiao-Chun Gao, and Yu-Ying Liu. 2013. “Physico-Chemical Properties of Poly(ethylene Glycol)-Block-Polypeptide-Graft-Poly-(ethylene Glycol) Film Improved by Poly(propylene Glycol)”. Asian Journal of Chemistry 26 (1):29-32. https://doi.org/10.14233/ajchem.2014.15256.