Department of Family Medicine;
Semmelweis University;
1125 Budapest;
Hungary;
Department of Cardiology;
St.Imre Teaching Hospital;
1115 Budapest;
Hungary;
Chronic kidney disease; Laser Doppler fowmetry; Endothelial dysfunction; Iontophoresis; Postoc clusive reactive hyperaemia; Local heating; Microdialysis; Flowmotion;