title: Purple urine bag syndrome (PUBS).
authors.affiliation: Department of Nephrology and Dialysis , Academic Teaching Hospital Feldkirch , Feldkirch , Austria.
authors.forename: Athanasios C
authors.initials: AC
authors.lastname: Liolios
authors.affiliation: Department of Nephrology and Dialysis , Academic Teaching Hospital Feldkirch , Feldkirch , Austria.
authors.forename: Erich
authors.initials: E
authors.lastname: Woess
authors.affiliation: Department of Nephrology and Dialysis , Academic Teaching Hospital Feldkirch , Feldkirch , Austria.
authors.forename: Karl
authors.initials: K
authors.lastname: Lhotta
keywords: catheterization; tryptophane; urinary tract infection