About: http://webisa.webdatacommons.org/214967444

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	While often effective at relieving symptoms such as chest pain or angina, these therapies have several drawbacks.
http://www.w3.org/ns/prov#wasQuotedFrom	kurzweilai.net