1. Safety in the MR environment: ferromagnetic projectile objects in the MRI scanner room Publication: [Harrisburg, Pa.] : Pennsylvania Patient Safety Authority, c2009 Subject(s): Accident PreventionAccidentsEquipment Safety -- standardsMagnetic Resonance Imaging -- adverse effectsMagneticsDisclosureElectromagnetic Fields -- adverse effectsMagnetic Resonance Imaging -- standardsTerminology as TopicHumansUnited States