About: http://webisa.webdatacommons.org/378460440

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	Individuals who experience these symptoms, but have never been diagnosed with a retinal migraine, should have a thorough medical exam to rule out any underlying causes, such as a blood clot or stroke.
http://www.w3.org/ns/prov#wasQuotedFrom	about.com