Fig. 3From: Nebivolol combined with tetrahydrobiopterin affects diastolic function in spontaneously hypertensive rats via the nitric oxide/cyclic guanosine monophosphate signalling pathwayThe concentration of 3-NT in myocardium. BH4 combined with nebivolol significantly inhibited oxidative stress levels. *P < 0.01 versus Control, # p < 0.01 versus L-N&L-BH4Back to article page