2Diabetes Control and Complications Trial Research Group. The effect of intensive treatment of diabetes on the development of longterm complications in insulin-dependent diabetes mellitus [J]. N Engl J Med, 1993,329:977-986.
3UK Prospective Diabetes Study (UDPDS) Group. Intensive blood-glucose control with sulphonylureas or insulin compared with conventional treatment and risk of complication in patients with type 2 diabetes (UKPDS) [J]. Lancet,1998,352:837-853.
4American Diabetes Association. Clinical practice recommendations [J]. Diabcctcs Care,2003,26(Suppl1):S33-S50.
