title: The Bull's-Eye Sign and Other Femoral and Suprainguinal Venographic Findings in Patients with Chronic Venous Stasis: A New Classification to Limit the Use of Intravascular Ultrasound.
authors.affiliation: Vascular Institute of New York, New York, NY.
authors.forename: E
authors.initials: E
authors.lastname: Ascher
authors.affiliation: Vascular Institute of New York, Brooklyn, NY.
authors.forename: N J
authors.initials: NJ
authors.lastname: Bauer
authors.affiliation: Vascular Institute of New York, Brooklyn, NY.
authors.forename: J
authors.initials: J
authors.lastname: Eisenberg
authors.affiliation: Vascular Institute of New York, Brooklyn, NY.
authors.forename: A
authors.initials: A
authors.lastname: Hingorani
authors.affiliation: Vascular Institute of New York, Brooklyn, NY.
authors.forename: N
authors.initials: N
authors.lastname: Marks