title: 15O-CO2.
mesh_terms: D002245:Carbon Dioxide; D006207:Half-Life; D006801:Humans; D008168:Lung / Q000098:blood supply / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D010104:Oxygen Radioisotopes; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging* / Q000503:physiopathology; D011877:Radionuclide Imaging; D012119:Respiration; D013672:Technology
chemical_list: D010104:Oxygen Radioisotopes; D002245:Carbon Dioxide