title: Letter: Exercise-induced asthma.
mesh_terms: D001249:Asthma / Q000188:drug therapy / Q000209:etiology*; D001993:Bronchodilator Agents / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D006801:Humans; D005082:Physical Exertion
chemical_list: D001993:Bronchodilator Agents