Assertion: failed peristalsis | /r/HasAspect | clear predictive value
Facets:
value: in reflux burden
type: OTHER
Source sentences:
text: Failed peristalsis has a clear predictive value in reflux burden  and is associated with impaired bolus clearance and symptomatic dysphagia , although the correlation between IEM and symptoms is not perfect , indicating that symptoms are not specific for IEM.