title: Can low doses of contrast agent be safely used for arteriovenous fistula salvage in stage 4 chronic kidney disease?
authors.affiliation: St Joseph-Krankenhaus, Department of Medicine II, Bäumerplan 24, Berlin 12101, Germany. christiane.erley@sjk.de
authors.forename: Christiane M
authors.initials: CM
authors.lastname: Erley