About: http://webisa.webdatacommons.org/280974943

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	The headache may be caused by: Blood or fluid build up inside the skullChanges in the brain caused by the injuryNeck and skull injuries that are still healingTension and stress There are different types of headaches.
http://www.w3.org/ns/prov#wasQuotedFrom	mbhs.org