title: Negative findings on helical CT in suspected pulmonary embolism.
authors.forename: G
authors.initials: G
authors.lastname: Larcos
mesh_terms: D005500:Follow-Up Studies; D006801:Humans; D011237:Predictive Value of Tests; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed