The effects of broncholdilators on the distribution of ventilation and perfusion in asthma.
D001249:Asthma / Q000188:drug therapy* / Q000503:physiopathology; D001993:Bronchodilator Agents / Q000494:pharmacology* / Q000627:therapeutic use; D006801:Humans; D014692:Ventilation-Perfusion Ratio / Q000187:drug effects*
D001993:Bronchodilator Agents