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The upper GI series are X-rays of the oesophagus, stomach, and duodenum. The patient swallows barium first that makes the organs show up on x-rays.
Research Upper GI Series
 
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The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert
©1993 - 2009 The Probert Encyclopaedia
Southampton, United Kingdom
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