About: http://webisa.webdatacommons.org/448629248

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	Migraines are a neurological disorder caused by numerous chemical changes in the brain, set off by a trigger or a series of trigger events, i.e., outside stimuli.
http://www.w3.org/ns/prov#wasQuotedFrom	healthcentral.com