Breath-activated aerosol.
D000336:Aerosols; D000402:Airway Obstruction / Q000188:drug therapy; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D006801:Humans; D012119:Respiration; D013147:Spirometry
D000336:Aerosols; D001993:Bronchodilator Agents