Airway responsiveness to increasing concentrations of methacholine at various points after inoculation of mice with saline (open bars) or (black bars)

<p><b>Copyright information:</b></p><p>Taken from "induces a sustained airway hyperresponsiveness and inflammation in mice"</p><p>http://respiratory-research.com/content/8/1/83</p><p>Respiratory Research 2007;8(1):83-83.</p><p>Published online 19 Nov 2007</p><p>PMCID:PMC2194694.</p><p></p> A: Day 2; B: Day 7; C: Day 14, D: Day 21. (*p < 0.05; **p < 0.001; ***p < 0.005, n = 7–8). Unrestrained plethysmograph measurements were performed for 3 min after each exposure to methacholine and expressed as Penh-values