A barium enema examination is carried out in order to check for any malfunctioning in the colon region. X-rays are unable to penetrate the barium liquid metal used, which lines the colon, resulting in ...
No extract is available for articles shorter than 400 words. I am indebted to Dr. J. L. Tullis and the members of the Blood Characterization and Preservation Laboratory, Harvard University, for ...
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