Figure 1.
Effect of inhaled A1 receptor agonist, CPA, 0.3, 0.6 and 1 mg·mL−1 (n = 6–10) on citric acid‐induced cough (A), changes in Penh (B) and Penh AUC (C). Values represent means + SEM; *P<0.05, compared to vehicle‐treated animals.
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