Glucose control and vascular complications in veterans with type 2 diabetes - Duckworth, W; Abraira, C; Moritz, T; Reda, D; Emanuele, N; Reaven, P D; Zieve, F J; Marks, J; Davis, S N; Hayward, R; Warren, S R; Goldman, S; McCarren, M; Vitek, M E; Henderson, W G; Huang, G D (N Engl J Med, 2009)