About: http://webisa.webdatacommons.org/426269699

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	This invention relates to methods and devices form endoscopic surgery, in particular to methods and devices for dissecting tissue to create a working space for endoscopic instruments.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk