Magnetic FieldsMagneticsMagnetic Resonance ImagingElectromagnetic FieldsMagnetic Field TherapyRadio WavesParamecium caudatumImplants, ExperimentalMagnetic Resonance SpectroscopyPhantoms, ImagingTime FactorsElectric WiringMagnetic Resonance AngiographyMagnetic Resonance Imaging, CineBrainContrast MediaMagnetsElectromagnetic PhenomenaFerrosoferric OxideMagnetite NanoparticlesBrain MappingImage EnhancementDiffusion Magnetic Resonance ImagingImage Interpretation, Computer-AssistedImage Processing, Computer-AssistedGadoliniumNuclear Magnetic Resonance, BiomolecularRadiation, NonionizingMagnetic PhenomenaGadolinium DTPAElectricityElectron Spin Resonance SpectroscopyReproducibility of ResultsVisual FieldsEquipment DesignSensitivity and SpecificityArtifactsMagnetometryImaging, Three-DimensionalFerric CompoundsAlgorithmsPower PlantsLeukemia, Radiation-InducedSurface Plasmon ResonanceProtonsMagnetic Resonance Imaging, InterventionalElectric Power Supplies