Assertion: disease | /r/HasProperty | progressive brain disorder
Facets:
Source sentences:
text: Huntington's disease (HD) is a progressive brain disorder caused by a defective gene.
text: The disease is progressive and always fatal.
text: The disease has been called “progressive systemic sclerosis,” but the use of that term has been discouraged since it has been found that scleroderma is not necessarily progressive.
text: Huntington's disease is a progressive brain disorder caused by a single defective gene on chromosome 4