title: Ventilation-perfusion relationships studied with  133 xenon before and after bronchodilating drugs in patients with obstructive lung disease.
mesh_terms: D000318:Adrenergic beta-Agonists / Q000627:therapeutic use*; D001784:Blood Gas Analysis; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D001330:Electronic Data Processing; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy / Q000503:physiopathology*; D009921:Metaproterenol / Q000627:therapeutic use*; D008722:Methods; D010636:Phenols / Q000627:therapeutic use; D010993:Plethysmography, Whole Body; D011868:Radioisotopes; D011877:Radionuclide Imaging; D013147:Spirometry; D014692:Ventilation-Perfusion Ratio; D014797:Vital Capacity; D014978:Xenon
chemical_list: D000318:Adrenergic beta-Agonists; D001993:Bronchodilator Agents; D010636:Phenols; D011868:Radioisotopes; D014978:Xenon; D009921:Metaproterenol