Fig. 5From: Relaxation matters: comparison of in-vitro vasodilatory role of botulinum toxin-A and papaverine in human radial artery graftsThe effects of Papaverine pretreatment over the contraction responses of cumulative 5-HT. Results are % of KCl induced contractions, mean ± SD. *: p < 0.05 compared to control of each constrictor agent. #: p < 0.05 decrease in inhibition compared to 0th hourBack to article page