Pulmonary response to a bronchodilator delivered from three inhalation devices.
D000293:Adolescent; D000335:Aerosol Propellants; D001249:Asthma / Q000188:drug therapy* / Q000503:physiopathology; D002648:Child; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004983:Ethanolamines / Q000008:administration & dosage*; D005280:Fenoterol / Q000008:administration & dosage*; D005541:Forced Expiratory Volume; D006801:Humans; D008176:Lung Volume Measurements; D008722:Methods; D011897:Random Allocation; D013997:Time Factors
D000335:Aerosol Propellants; D004983:Ethanolamines; D005280:Fenoterol