title: Failure of nitroglycerin as a bronchodilator.
mesh_terms: D001249:Asthma / Q000188:drug therapy; D001993:Bronchodilator Agents; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D005996:Nitroglycerin / Q000494:pharmacology*; D010919:Placebos
chemical_list: D001993:Bronchodilator Agents; D010919:Placebos; D005996:Nitroglycerin