title: V/Q imaging and the diagnosis of PE: "can we shift the gray to black and white?".
authors.forename: A
authors.initials: A
authors.lastname: Gottschalk
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D011655:Pulmonary Embolism / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography; D014692:Ventilation-Perfusion Ratio