About: http://webisa.webdatacommons.org/423035996

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	When this does not help, or patients have severe blockages that threaten limbs, surgery or treatment with balloons, stents and other devices to clear blockages may be prescribed.
http://www.w3.org/ns/prov#wasQuotedFrom	wsj.com