About: http://webisa.webdatacommons.org/257220937

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	In some cases the patient can have both a gastric disorder and a headache, such as a tension headache, migraine, cluster headache, sinus headache and cervogenic headache.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com