About: http://webisa.webdatacommons.org/139590729

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Essential tremor is a disorder of the nervous system that causes involuntary, rhythmic shaking (tremor).[1] The signs and symptoms of essential tremor often worsen over time, but symptoms can vary greatly from person to person.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov