4Fontana G, Lapoola A, Sanzari M, et al. An immunological evaluation of type II diabetic patients with periodontal disease[J]. J Diabetes Complications, 1999,13(1):23-30.
5Spollett GR. Preventing amputations in the diabetic population[J]. Nurs Clin North Am,1998,33(4),629-941.
6Apelqvist J, Larsson J, What is the most effective way to reduce incidence of amputation in the diabetic foot [J], Diabetes Metab Res Rev,2000,16(1):75-83.
