title: GFR as the "Gold Standard": Estimated, Measured, and True.
authors.affiliation: Tufts Medical Center, Boston, Massachusetts. Electronic address: alevey@tuftsmedicalcenter.org.
authors.forename: Andrew S
authors.initials: AS
authors.lastname: Levey
authors.affiliation: Tufts Medical Center, Boston, Massachusetts.
authors.forename: Lesley A
authors.initials: LA
authors.lastname: Inker
mesh_terms: D005260:Female; D006801:Humans; D007472:Iohexol / Q000032:analysis*; D007483:Iothalamic Acid / Q000032:analysis*; D008297:Male
chemical_list: D007483:Iothalamic Acid; D007472:Iohexol