About: http://webisa.webdatacommons.org/119064249

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	Chronic headaches can also be caused by an infection such as meningitis or other dangerous conditions such as intracranial pressure that is too high or too low, a tumor or a brain injury.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.net