Use and abuse of inhalation equipment.
D000336:Aerosols; D001993:Bronchodilator Agents / Q000008:administration & dosage; D006801:Humans; D006813:Humidity; D007384:Intermittent Positive-Pressure Breathing / Q000295:instrumentation; D012138:Respiratory Therapy / Q000295:instrumentation*
D000336:Aerosols; D001993:Bronchodilator Agents