Patient error in use of bronchidilator metered aerosols.
D000336:Aerosols; D001249:Asthma / Q000188:drug therapy; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D006801:Humans; D012651:Self Medication
D000336:Aerosols; D001993:Bronchodilator Agents