title: Lung function in provoked asthma: responses to inhaled urea, methacholine and isoprenaline.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000403:Airway Resistance / Q000187:drug effects; D001249:Asthma / Q000139:chemically induced* / Q000503:physiopathology; D002245:Carbon Dioxide / Q000378:metabolism; D005260:Female; D006801:Humans; D000860:Hypoxia / Q000139:chemically induced; D007545:Isoproterenol / Q000494:pharmacology*; D008168:Lung / Q000503:physiopathology*; D008297:Male; D008688:Methacholine Compounds / Q000494:pharmacology*; D008875:Middle Aged; D010101:Oxygen Consumption; D013147:Spirometry; D014508:Urea; D014692:Ventilation-Perfusion Ratio / Q000187:drug effects; D014797:Vital Capacity / Q000187:drug effects
chemical_list: D008688:Methacholine Compounds; D002245:Carbon Dioxide; D014508:Urea; D007545:Isoproterenol