Figure 6From: In vitro study of the tocolytic effect of oroxylin A from Scutellaria baicalensis rootEffects of the potassium channel inhibitor, 4-aminopyridine (4-AP), on oroxylin A-induced uterine relaxation. Vertical bars represent the SEM (n = 4). *p < 0.05, **p < 0.01.Back to article page