About: http://webisa.webdatacommons.org/35097901

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	A headache is pain or discomfort in the head, scalp, or neck.Common types of headaches include tension headaches, migraine or cluster headaches, sinus headaches, and headaches that begin in your neck.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov