Endothelium-dependent vasodilatation, plasma markers of endothelial function, and adrenergic vasoconstrictor responses in type 1 diabetes under near-normoglycemic conditions. - Huvers,F.C.; de Leeuw,P.W.; Houben,A.J.; de Haan,C.H.; Hamulyak,K.; Schouten,H.; Wolffenbuttel,B.H.; Schaper,N.C. (Diabetes, 1999)