title: Magnetostrictive versus piezoelectric handpieces.
authors.forename: R J
authors.initials: RJ
authors.lastname: Mackool
mesh_terms: D002387:Cataract Extraction / Q000295:instrumentation*; D004560:Electricity; D006801:Humans; D008280:Magnetics; D014464:Ultrasonic Therapy / Q000295:instrumentation*