title: Letter by Knight et al regarding article, "Validation of in vivo magnetic resonance imaging blood-brain barrier permeability measurements by comparison with gold standard histology".
authors: Robert A
authors: RA
authors: Knight
authors: Tavarekere N
authors: TN
authors: Nagaraja
authors: James R
authors: JR
authors: Ewing
mesh_terms: D000818:Animals; D001812:Blood-Brain Barrier / Q000503:physiopathology*; D002545:Brain Ischemia / Q000473:pathology*; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D020521:Stroke / Q000473:pathology*