Hosseinzadeh, Hossein. “Free Radical Graft Copolymerization of Acrylonitrile onto Sodium Hyaluronate Using Ammonium Persulfate”. Asian Journal of Chemistry, vol. 24, no. 6, Feb. 2012, pp. 2537-40, https://asianpubs.org/index.php/ajchem/article/view/9171.