About: http://webisa.webdatacommons.org/406342509

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	The pain and other symptoms usually remain on one side of the head.The pain generally reaches very severe levels within 15 minutes.
http://www.w3.org/ns/prov#wasQuotedFrom	stlukes-stl.com