title: Lower extremity sonography and the nondiagnostic lung scan.
authors.forename: M P
authors.initials: MP
authors.lastname: Rosen
authors.forename: C
authors.initials: C
authors.lastname: McArdle
mesh_terms: D006801:Humans; D007866:Leg / Q000000981:diagnostic imaging*; D008168:Lung / Q000000981:diagnostic imaging*; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging; D012307:Risk Factors; D014463:Ultrasonography; D020246:Venous Thrombosis / Q000000981:diagnostic imaging