Assertion: fibrosis's disease | /r/HasProperty | idiopathic
Facets:
Source sentences:
text: Pulmonary fibrosis is an idiopathic disease, which means its exact cause is difficult to identify.
text: As mentioned before, pulmonary fibrosis is an idiopathic disease, so its exact causes are not always identifiable.
text: As pulmonary fibrosis is an idiopathic disease with various causes, there is no clear-cut method of prevention.