title: Single shots v. divided doses of a bronchodilator in the relief of reversible airways obstruction.
mesh_terms: D000402:Airway Obstruction / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D006801:Humans; D012138:Respiratory Therapy; D013997:Time Factors
chemical_list: D001993:Bronchodilator Agents