title: Response.
authors.forename: Robert J
authors.initials: RJ
authors.lastname: McDonald
authors.forename: Jennifer S
authors.initials: JS
authors.lastname: McDonald
authors.forename: David F
authors.initials: DF
authors.lastname: Kallmes
authors.forename: Mark E
authors.initials: ME
authors.lastname: Jentoft
authors.forename: David L
authors.initials: DL
authors.lastname: Murray
authors.forename: Kent R
authors.initials: KR
authors.lastname: Thielen
authors.forename: Eric E
authors.initials: EE
authors.lastname: Williamson
authors.forename: Laurence J
authors.initials: LJ
authors.lastname: Eckel
mesh_terms: D001921:Brain / Q000378:metabolism*; D003287:Contrast Media / Q000493:pharmacokinetics*; D005682:Gadolinium / Q000493:pharmacokinetics*; D006801:Humans; D008279:Magnetic Resonance Imaging
chemical_list: D003287:Contrast Media; D005682:Gadolinium