Figure 8From: Antispasmodic and vasodilator activities of Morinda citrifolia root extract are mediated through blockade of voltage dependent calcium channels Inhibitory effect of (A) Mc.Cr and (B) verapamil on the force and rate of spontaneous contractions of isolated guinea-pig atria. #P < 0.05; ##P < 0.01; ###P < 0.001; show comparison of concentration-dependent effects on force while *P < 0.05;**P < 0.01; ***P < 0.001; show comparison of concentration-dependent effects on rate of guinea-pig atria.Back to article page