Mri Symptoms, Treatment & Information
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Unlike x-rays and computed tomographic (CT) scans, which use radiation, MRI uses powerful magnets and radio waves. The MRI scanner contains the magnet...field produced by an MRI is about 10 thousand times greater than the earth's...
http://www.nlm.nih.gov/medlineplus/ency/article/003335.htm
Accredited by: HON | U.S. GOV
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Magnetic resonance imaging From Wikipedia, the free encyclopedia Jump to: navigation, search "MRI" redirects here. ... It provides detailed images of the body in any plane. ... Radiofrequency fields are used to systematically alter the alignment of this magnetization, causing the hydrogen...
http://en.wikipedia.org/wiki/Magnetic_resonance_imaging
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