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gastroenterology
gastroesophageal reflux disease
gastrointestinal
gastrolith
gastrology
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gastronomy
gastroplasty
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gastric ulcer

gas·tric ul·cer (plural gas·tric ul·cers)


noun 
Definition:
 
stomach ulcer: an erosion in the stomach wall caused by gastric acid, digestive enzymes, or other factors that may include bacterial infection

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