About: http://webisa.webdatacommons.org/158762560

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, cannula 50 may optionally include various valves, ports and other features commonly found on cannulas used in surgical procedures in order to provide surgical access to an anatomical cavity.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com