title: MR field strength: unanswered questions.
authors.forename: J I
authors.initials: JI
authors.lastname: Wiener
mesh_terms: D003287:Contrast Media; D003363:Cost Control; D017352:Echo-Planar Imaging / Q000191:economics; D006801:Humans; D007089:Image Enhancement; D008279:Magnetic Resonance Imaging / Q000191:economics* / Q000295:instrumentation
chemical_list: D003287:Contrast Media