Fig. 1From: Effects of two isometheptene enantiomers in isolated human blood vessels and rat middle meningeal artery – potential antimigraine efficacyConcentration response curves to sumatriptan, noradrenaline, isometheptene enantiomers and isometheptene racemate on the middle meningeal artery (n = 6–7), saphenous vein (n = 7–10), as well as proximal (n = 7–10) and distal (n = 8–9) coronary arteriesBack to article page