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Harvard Medical School: Magnetic Resonance Imaging (Mri)
This Beth Israel Deaconess Medical Center site offers a comprehensive look at MRI exam phases, preparation, technology, equipment, safety, and research. Images and labeled diagrams are also provided on this site.
WebMD
Medicine Net: Magnetic Resonance Imaging
This site from MedicineNet.com gives an MRI description, why they're performed, risks, and patient preparation. A thorough explanation of the process is provided.