Assertion: essential blepharospasm | /r/CreatedBy | a malfunction of certain cells
Facets:
Source sentences:
text: No one knows exactly what causes it, but researchers believe it may be caused by a malfunction of certain cells in the nervous system called basal ganglia.
text: No one knows exactly what causes it, but researchers believe it may be caused by a malfunction of certain cells in the nervous system called basal ganglia.