About: http://webisa.webdatacommons.org/243367251

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	In certain medical procedures, as for example in angioplasty procedures, lesions or stenoses have been encountered in vessels which are difficult to cross because they totally or almost totally occlude the vessel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com