Plasma selenium and risk of dysglycemia in an elderly French population: results from the prospective Epidemiology of Vascular Ageing Study - Akbaraly, T N; Arnaud, J; Rayman, M P; Hininger-Favier, I; Roussel, A M; Berr, C; Fontbonne, A (Nutr Metab (Lond), 2010)