About: http://webisa.webdatacommons.org/129430940

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	Cluster headaches torment about a million Americans, mostly men and mostly at night.
http://www.w3.org/ns/prov#wasQuotedFrom	barnesjewish.org