
Epithelial Mucin Stores Are Increased in the Large Airways of Smokers With Airflow Obstruction
Keywords: دود سیگار; airway epithelium; cigarette smoke; COPD; mucin; MUC2; MUC6; MUC5AC; MUC5B; stereology; Dlco; single-breath diffusing capacity for carbon monoxide; PC20; provocative concentration of methacholine resulting in 20% decrease in FEV1 from baseline value;