About: http://webisa.webdatacommons.org/282916969

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	Many scientists think migraine is a vascular disorder caused by a tightening (constriction) and sudden opening (dilation) of the blood vessels in the head, neck, or scalp.
http://www.w3.org/ns/prov#wasQuotedFrom	muralimanohar.com