Assertion: als's disease | /r/CapableOf | occur spontaneously.2 patients
Facets:
value: in 95
type: LOCATION
Source sentences:
text: In 90% to 95% of ALS cases, the disease seems to occur spontaneously.2 Patients with this sporadic form of the disease have no family history of ALS and their family members aren't at increased risk for the disease.2