Assertion: liver abscess | /r/CreatedBy | bacteria
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Liver abscesses may be caused by bacteria or by amebas (single-celled parasites).
text: It is relatively rare, affects mainly the elderly, and is often caused by bacteria spreading through the blood from nearby abdominal structures such as the appendicitis, intestines (diverticulitis), or bile ducts.
text: Most liver abscesses are caused by bacteria and amebic parasites (protozoa).