<http://webisa.webdatacommons.org/prov/397610199>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/40581690> .
<http://webisa.webdatacommons.org/40581690>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/40581690>	<http://www.w3.org/ns/prov#value>	"Accordingly, there is a need to visually perceive the prosthesis as it is being placed within a blood vessel or other body cavity." .
<http://webisa.webdatacommons.org/40581690>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .