Affiliation: | (1) Russell H. Morgan Department of Radiology and Radiological Sciences, Interventional Radiology Section, Halsted 308, Johns Hopkins Medical Institutions, 600 N. Wolfe Street, 21287 Baltimore, MD, USA;(2) Department of Radiology, The University of Maryland Hospital Systems, 22 South Greene Street, 21201 Baltimore, MD, USA;(3) Present address: Department of Radiology, Division of Vascular and Interventional Radiology, The George Washington University Medical Center, 901 23rd St., NW, 20037 Washington, DC, USA |