2Diabetes Control and Complications Trail Research Group:Effect of intensive treatment on the development and progression of long term complications in insulin-dependent ciabetes mellitus.N Eng J Med 1993,329:977.
3CKPDS group.UK prospective disbetes study 17.A nine-year update of a randomized controlled trail on the effect of improved :netabolic control on complications in non-insolin-de-pendent diabetes meihtus.Ann Intern Med 1996,124:134.
