title: Which is the best duplex sonographic parameter to use when screening for renal artery stenosis?
authors.affiliation: Department of Nephrology and Clinical Immunology, University Clinic Aachen, Aachen, Germany. jriehl@ukaachen.de
authors.forename: Jochen
authors.initials: J
authors.lastname: Riehl
authors.forename: Vincent M
authors.initials: VM
authors.lastname: Brandenburg