A barium enema is a procedure that uses an X-ray to examine the lower gastrointestinal (GI) tract. It can help identify colorectal cancers and other conditions. Experts may also call barium enemas ...
Animation of a modified barium swallow study, from Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Normal_barium_swallow_animation.gif Disclaimer: AAAS and ...
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