title: Effects of isoproterenol on distribution of ventilation and perfusion in asthma.
mesh_terms: D000328:Adult; D000368:Aged; D001249:Asthma / Q000188:drug therapy*; D001784:Blood Gas Analysis; D006801:Humans; D007545:Isoproterenol / Q000627:therapeutic use*; D008875:Middle Aged; D013147:Spirometry; D014692:Ventilation-Perfusion Ratio / Q000187:drug effects*
chemical_list: D007545:Isoproterenol