title: Activated vitamin D: does it explain an apparent survival advantage among black and hispanic hemodialysis patients?
authors.affiliation: Renal-Electrolyte and Hypertension Division, Hospital of the University of Pennsylvania, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA.
authors.forename: Tara
authors.initials: T
authors.lastname: Tehrani
authors.forename: Jeffrey S
authors.initials: JS
authors.lastname: Berns