Assertion: barium enema | /r/HasProperty | useful
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Air contrast barium enemas can still be useful if your doctor thinks you might have certain inflammation-related colon conditions, such as diverticulitis.
text: But a barium enema can sometimes be a useful way of finding the cause of problems like blood in your stools or a constant change in your bowel habits.