About: http://webisa.webdatacommons.org/233159918

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	The symptoms of vasospasm gradually evolve with waxing and waning of signs such as new headache, seizures, or decreased alertness.
http://www.w3.org/ns/prov#wasQuotedFrom	ferne.org