About: http://webisa.webdatacommons.org/230622192

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 angina pain often comes on during periods when the heart???s work or activity is increased such as physical exertion, after meals or during mental or emotional excitement.
http://www.w3.org/ns/prov#wasQuotedFrom	healthlibrary.com