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<http://webisa.webdatacommons.org/276143128>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/426648386>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/276143128> .
<http://webisa.webdatacommons.org/276143128>	<http://www.w3.org/ns/prov#value>	"The catheter 540 also includes a main portion 590, which is made from a flexible material such as polyurethane." .