About: http://webisa.webdatacommons.org/201517143

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	A severe sudden headache that cannot be explained by any injury or other cause
http://www.w3.org/ns/prov#wasQuotedFrom	strokecenter.org