title: Clinical utility and limits of regional lung perfusion and ventilation investigations.
mesh_terms: D001249:Asthma / Q000188:drug therapy / Q000503:physiopathology; D001993:Bronchodilator Agents / Q000627:therapeutic use; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology; D011877:Radionuclide Imaging; D012711:Serum Albumin, Radio-Iodinated; D013667:Technetium; D014692:Ventilation-Perfusion Ratio; D014978:Xenon
chemical_list: D001993:Bronchodilator Agents; D012711:Serum Albumin, Radio-Iodinated; D014978:Xenon; D013667:Technetium