6Little A A, Edwards J L, Feldman E L. Diabetic neuropathies [J]. Pract Neurol, 2007,7 (2) : 82-92.
7Hartnett M E, Strathlon R D, Browne R W, et al. Serum markers of oxidative stress and severity of dialetic retnopathy [J]. Diabetes Care. 2000.23 (2): 234-240.
8Vincent A M, Russell J W, Low P, et al. Oxidative stress in the pathogenesis of diabetic neuropathy [J]. Endocr Rev, 2004,25 (4) : 612-628.
9Yaqub B A,Siddique A,Sulimani R. Effects of methylcobalamin on diabetic neuropathy [J]. Clin Neurol Neurosurg, 1992,94 (2) : 105- 111.
10Sun Y, Lai M S, Lu C J. Effectiveness of vitamin B12 on diabetic neuropathy: systematic review of clinical controlled trials [J]. Acta Neurol Taiwan, 2005,14 (2) : 48-54.