our results suggest that bile acids did not reflux into the esophagus of patients with gastroesophageal reflux disease whom we studied and caution must be exercised in the use of enzymatic assay for bile acids in postprandial gastrointestinal fluids , as the commonly used hydroxysteroid dehydrogenase assay is not specific for bile acids alone .
C0014876
esophagus
C0017168
gastroesophageal reflux disease