Figure 4From: Role of the tachykinin NK1 receptor in a murine model of cigarette smoke-induced pulmonary inflammation Pulmonary emphysema upon chronic cigarette smoke exposure. Mean linear intercept (Lm) (A) and destructive index (DI) (B) values of wild type and NK1-R-/- mice upon chronic (24 weeks) exposure to air or cigarette smoke. Results are expressed as means ± SEM. N = 8 animals per group (* p < 0.05).Back to article page