An occasional cough is normal and healthy. A cough that persists for weeks signals an underlying problem.
A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.
MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.
Find out what to expect during a needle biopsy.
X-rays are a form of radiation that can make images of your bones and internal organs.
Sep. 13, 2012
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