Imaging using X-rays involve an X-ray tube that penetrates the body to produce a beam of x-rays. When the tube passes through the body, some parts of the X-ray beam energy get absorbed by the body, which is dubbed X-ray beam attenuation.
from Health-and-Fitness Articles from EzineArticles.com http://ift.tt/1bBE0pb
from Health-and-Fitness Articles from EzineArticles.com http://ift.tt/1bBE0pb
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