upper gastrointestinal tract


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upper gastrointestinal tract

The esophagus, stomach, and duodenum.
See also: tract
References in periodicals archive ?
Upper gastrointestinal tract endoscopy was performed within 7 days before the first study dose and at the 12-week assessment or at early termination if the patient withdrew.
In the study, all 2900 patients referred for diagnostic evaluation of the upper gastrointestinal tract were included.
To study the clinicopathological patterns of upper gastrointestinal tract carcinomas
Endoscopic and histologic findings in the upper gastrointestinal tract of children with Crohn's disease.
Background Acute upper gastrointestinal tract bleeding results in significant morbidity and mortality.
The initial examination revealed clots of blood around his nostrils, but when fresh blood was aspirated from the stomach, upper gastrointestinal tract bleeding was diagnosed.

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