Fig. 3From: Attenuation of blood pressure in spontaneously hypertensive rats by acupuncture was associated with reduction oxidative stress and improvement from endothelial dysfunctionThe cumulative concentration–response curves for the SNP-induced relaxations of different groups in aorta (a) and carotid (b) arteries. Acupuncture did not restore endothelium-independent relaxation (c). Data were expressed as means ± SDBack to article page