5Goa KL, Benfield P. Hyaluronic acid: a review of its pharmacology and use as a surgical aid in ophthalmology and its therapeutic potential in joint disease and would healing [ J ]. Drugs, 1994,47:536-566.
6Kogan G, et al. Hyaluronic acid : a natural biopolymer with a broad range of biomedical and industrial applications [ J ] . Biotechnol Lett ,2007,29 : 17-25.
7Yu Z, et al. Mutation breeding by ion implantation [ J ]. Nucl Instrum Methods Phys Res B, 1991,59:705-708.
8Huang WC, et al.The role of dissolved oxygen and function of agitation in hyaluronic acid fermentation [ J ]. Biochemical Engineering Journal ,2006,32:239-243.
9Venkata Dasu V, T Panda. Optimization of microbiological parameters for enhanced grise of ulvin production using response surface methodology [ J ] . Bioproeess Engineering, 2002, 22: 45 -49.
10Sevag MG,et al.The isolation of components of streptococcal nucleoproteins in serologically active form[ J].J Biol Chem, 1938, 124:425.