Hyperglycemia rapidly suppresses flow-mediated endothelium-dependent vasodilation of brachial artery. - Kawano,H.; Motoyama,T.; Hirashima,O.; Hirai,N.; Miyao,Y.; Sakamoto,T.; Kugiyama,K.; Ogawa,H.; Yasue,H. (J Am Coll Cardiol, 1999)