About: http://webisa.webdatacommons.org/373194994

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	Headaches could be primary such as tension headaches, migraines, cluster headaches etc.; secondary such as in sinusitis, meningitis etc and secondary to cranial neuralgias.
http://www.w3.org/ns/prov#wasQuotedFrom	medhelp.org