Assertion: peritonitis | /r/HasAspect | many causes
Facets:
Source sentences:
text: Peritonitis can have many causes but the most common is the introduction of a foreign substance in to the cavity that causes infection.
text: Although peritonitis can have other causes (as a complication of appendicitis for example), this information is about peritonitis as a common complication for people who are receiving peritoneal dialysis.