About: http://webisa.webdatacommons.org/214008931

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	Researchers wanted to make sure that some factor other than stress did not lead to the increase in headaches.
http://www.w3.org/ns/prov#wasQuotedFrom	intelihealth.com