Misuse of pressurised nebulisers.
D000328:Adult; D000336:Aerosols; D000367:Age Factors; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D006801:Humans; D008875:Middle Aged; D012138:Respiratory Therapy
D000336:Aerosols; D001993:Bronchodilator Agents