title: The "aura" sign: an unusual cultural variant affecting MR imaging.
authors.affiliation: Sunninghill Medical Institute, Sandton, 0140 South Africa.
authors.forename: I C
authors.initials: IC
authors.lastname: Duncan
mesh_terms: D016477:Artifacts; D001921:Brain / Q000473:pathology*; D003466:Cultural Characteristics; D005260:Female; D005290:Ferric Compounds; D006202:Hair Dyes; D006801:Humans; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D013019:South Africa
chemical_list: D005290:Ferric Compounds; D006202:Hair Dyes; C000499:ferric oxide