Assertion: subacute bacterial endocarditis | /r/CapableOf | become fatal
Facets:
value: within six weeks
type: TEMPORAL
value: to a year
type: TEMPORAL
Source sentences:
text: Subacute bacterial endocarditis usually (but not always) is caused by a viridans streptococci (a type of bacteria); it occurs on damaged valves, and, if untreated, can become fatal within six weeks to a year.