title: Ventilation-perfusion scanning: stuck in a rut, perhaps, but the road ahead is not so clear.
authors.affiliation: Montefiore Medical Center 111 E. 210th St. Bronx, New York 10022 E-mail: lfreeman@montefiore.org.
authors.forename: Leonard M
authors.initials: LM
authors.lastname: Freeman
mesh_terms: D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D014692:Ventilation-Perfusion Ratio