title: Another look at pulmonary embolism.
authors.forename: P O
authors.initials: PO
authors.lastname: Alderson
mesh_terms: D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D014692:Ventilation-Perfusion Ratio