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  • hydrogen
  • Although most of the elements in the Periodic Table have an isotope that is magnetic, the most common nucleus to be observed by NMR is that of hydrogen. (encyclopedia.com)
  • strong
  • You'll also be asked questions to make sure your child doesn't have any internal metal clips from previous surgery or anything else that might cause a problem near a strong magnetic field. (kidshealth.org)
  • Because the strong magnetic field employed in MRA can interact with anything else that contains metal, it is crucial that the patient remove any jewelry, including from any piercings, prior to undergoing MRA. (encyclopedia.com)