About: http://webisa.webdatacommons.org/335124170

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	Headache is a common health problem and the personal burden, social impact and economic
http://www.w3.org/ns/prov#wasQuotedFrom	biomedcentral.com