Figure 9

Cumulative concentration–response curves to nifedipine (A), isoprenaline (B) and aminophylline (C) in precontracted rat trachea with 10–5 M CCh in the presence of functional epithelium. The symbols and vertical bars represent the mean and the e.p.m., respectively. One-way ANOVA followed by Tukey's posttest (n = 5). *p < 0.05 (Ctrl vs. Ob, Asth and Ob + Asth).