Pressurized bronchodilator aerosol technique: influence of breath-holding time and relationship of inhaler to the mouth.
D000293:Adolescent; D000328:Adult; D000336:Aerosols; D000368:Aged; D004983:Ethanolamines / Q000008:administration & dosage*; D005260:Female; D005280:Fenoterol / Q000008:administration & dosage* / Q000627:therapeutic use; D005541:Forced Expiratory Volume; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D012119:Respiration; D012138:Respiratory Therapy / Q000379:methods*; D013997:Time Factors
D000336:Aerosols; D004983:Ethanolamines; D005280:Fenoterol