title: Ventilation-perfusion scanning: stuck in a rut, perhaps, but the road ahead is not so clear.
authors.affiliation: Johns Hopkins University 601 N. Caroline St., Ste. 3231 Baltimore, MD 21278 E-mail: hziessm1@jhmi.edu.
authors.forename: Harvey A
authors.initials: HA
authors.lastname: Ziessman
mesh_terms: D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D014692:Ventilation-Perfusion Ratio