title: V/Q scintigraphy: alive, well and equal to the challenge of CT angiography.
authors.forename: Leonard M
authors.initials: LM
authors.lastname: Freeman
authors.forename: Linda B
authors.initials: LB
authors.lastname: Haramati
mesh_terms: D000792:Angiography / Q000379:methods; D006801:Humans; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging*; D015899:Tomography, Emission-Computed, Single-Photon / Q000379:methods; D036542:Tomography, Spiral Computed / Q000379:methods; D014057:Tomography, X-Ray Computed / Q000379:methods; D014692:Ventilation-Perfusion Ratio