About: http://webisa.webdatacommons.org/114514391

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	Although moderate to severe head pain is the most common symptom, there are usually other symptoms that help diagnose frequent bad headaches as a migraine.
http://www.w3.org/ns/prov#wasQuotedFrom	migraineaway.com