Assertion: fistula's cause | /r/HasProperty | characterized in a number of ways
Facets:
Source sentences:
text: Colovesical fistulas and its cause can be characterized in a number of ways, although the fistulous tract itself is often difficult to demonstrate.
text: Colovesical fistulas and its cause can be characterized in a number of ways, although the fistulous tract itself is often difficult to demonstrate.