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Results 1 - 1 of 1 for normal variant
  1. Brain MRI (Magnetic Resonance Imaging) Video (American College of Radiology) (Radiological Society of North America)  
    ... obscured by bone with other imaging methods. A variant called MR angiography (MRA) provides detailed images of ...
    https://www.radiologyinfo.org/en/info/mri-brain - Videos