Does abnormal insulin action or insulin secretion explain increase in prevalence of impaired glucose metabolism with age in populations of different ethnicities? - Ning, F; Qiao, Q; Tuomilehto, J; Hammar, N; Ho, S Y; Soederberg, S; Zimmet, P Z; Shaw, J E; Nakagami, T; Mohan, V; Ramachandran, A; Lam, T H; Anderson, S W; Janus, E D; Boyko, E J; Fujimoto, W Y; Pang, Z C (Diabetes Metab Res Rev, 2010)