title: About long-acting bronchodilators.
mesh_terms: D000280:Administration, Inhalation; D000420:Albuterol / Q000008:administration & dosage / Q000031:analogs & derivatives; D001249:Asthma / Q000188:drug therapy; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D002940:Circadian Rhythm; D003692:Delayed-Action Preparations; D006801:Humans; D000068299:Salmeterol Xinafoate
chemical_list: D001993:Bronchodilator Agents; D003692:Delayed-Action Preparations; D000068299:Salmeterol Xinafoate; D000420:Albuterol