The effect of an aerochamber on bronchodilator response to a metered-dose inhaler.
D000328:Adult; D000402:Airway Obstruction / Q000188:drug therapy* / Q000503:physiopathology; D002986:Clinical Trials as Topic; D004983:Ethanolamines / Q000008:administration & dosage*; D005280:Fenoterol / Q000008:administration & dosage*; D006801:Humans; D008875:Middle Aged; D011897:Random Allocation; D012129:Respiratory Function Tests; D012138:Respiratory Therapy / Q000295:instrumentation*
D004983:Ethanolamines; D005280:Fenoterol