Airway response to methacholine inhalation in asymptomatic male smokers.
D000328:Adult; D001980:Bronchi / Q000187:drug effects*; D004848:Epithelium / Q000187:drug effects; D005541:Forced Expiratory Volume; D006801:Humans; D008297:Male; D008688:Methacholine Compounds / Q000009:adverse effects*; D012907:Smoking
D008688:Methacholine Compounds