Endothelial dysfunction is detectable in young normotensive first degree relatives of subjects with type 2 diabetes in association to insulin resistance. - Balletshofer,B.M.; Rittig,K.; Enderle,D.F.; Volk,A.; Maerker,F.; Jacob,S.; Matthaei,S.; Rett,K.; Häring,H.U. (Circulation, 2000)