Faulty use of canister nebulizers for asthma.
D000336:Aerosols; D000367:Age Factors; D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D006801:Humans; D008722:Methods; D012119:Respiration; D012129:Respiratory Function Tests; D012646:Self Administration
D000336:Aerosols; D001993:Bronchodilator Agents