title: Diagnosing pulmonary thromboembolic disease. Status of radiologic procedures.
mesh_terms: D006801:Humans; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011655:Pulmonary Embolism / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography; D011877:Radionuclide Imaging; D013667:Technetium; D014692:Ventilation-Perfusion Ratio; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes; D013667:Technetium