<http://webisa.webdatacommons.org/prov/74089022>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/382547607> .
<http://webisa.webdatacommons.org/382547607>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/382547607>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/382547607>	<http://www.w3.org/ns/prov#value>	"Any means for returning the beam of electro-magnetic radiation back through the body may be used, including for example, a mirror, a light guide, a fiber optic, etc." .