Association of plasma selenium concentrations with total IGF-1 among older community-dwelling adults: the InCHIANTI study - Maggio, M; Ceda, GP; Lauretani, F; Bandinelli, S; Dall’Aglio, E; Guralnik, JM; Paolisso, G; Semba, RD; Nouvenne, A; Borghi, L; Ceresini, G; Ablondi, F; Benatti, M; Ferrucci, L (Clin Nutr, 2010)