Yamei Xu, Yiyu Wang, Yuhong Jiao, Ceng Zhang and Mingzhong Li . (2011). Enzymatic Degradation Properties of Silk Fibroin Film.
            <i>Journal of Fiber Bioengineering and Informatics</i>. <i>4</i> (1).
            35-41.
         doi:10.3993/jfbi04201104