About: http://webisa.webdatacommons.org/401489520

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	Therefore, knot tying is particularly difficult in areas of limited available space or access, for example, at the back of the patient's heart during a coronary artery bypass graft (CABG) operation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com