title: By the way, doctor. Is it possible to have one or more TIAs in the past four years and not have them show up in four MRIs?
authors.forename: Anthony L
authors.initials: AL
authors.lastname: Komaroff
mesh_terms: D006801:Humans; D002546:Ischemic Attack, Transient / Q000150:complications / Q000175:diagnosis*; D008279:Magnetic Resonance Imaging; D020521:Stroke / Q000517:prevention & control