Dietary glycemic load and refined grains intake are associated with reduced 'beta'-cell function in Japanese-Brazilians with impaired glucose tolerance - Sartorelli, Daniela Saes; Franco, Laércio Joel; Damião, R.; Gimeno, S.; Cardoso, Marly Augusto; Ferreira-Vivolo, Sandra Roberta Gouvea (Higiene y Epidemiología, 2007)