Adiponectin and Leptin are Independently Associated with Insulin Sensitivity, but not with Insulin Secretion or Beta-cell Function in Overweight Hispanic Adolescents - Koebnick, C.; Roberts, C. K.; Shaibi, G. Q.; Kelly, L. A.; Lane, C. J.; Toledo-Corral, C. M.; Davis, J. N.; Ventura, E. E.; Alexander, K.; Weigensberg, M. J.; Goran, M. I. (Hormone and Metabolic Research, 2008)