Figure 1.

The effect of sildenafil (1–100 μM) on (a) carbachol (CCh, 1 μM, n = 8) and (b) high‐K⁺ (80 mM, n = 5) induced contractions in isolated detrusor from 12‐week‐old mice. Data are mean ± SEM. *P < 0.05. Data are fitted to Equation (1b), Section 2