title: Bilateral lower extremity compression sonography.
authors.forename: G H
authors.initials: GH
authors.lastname: Ritsema
mesh_terms: D006801:Humans; D011655:Pulmonary Embolism / Q000150:complications / Q000175:diagnosis; D013924:Thrombophlebitis / Q000150:complications / Q000000981:diagnostic imaging*; D014463:Ultrasonography