<http://webisa.webdatacommons.org/315953422>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/315953422>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/56987649>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/315953422> .
<http://webisa.webdatacommons.org/315953422>	<http://www.w3.org/ns/prov#value>	"A limitation to this approach is that some types of chemicals may damage the outer surfaces of endoscopes after a number of washings." .