<http://webisa.webdatacommons.org/prov/29516461>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/163897294> .
<http://webisa.webdatacommons.org/163897294>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/163897294>	<http://www.w3.org/ns/prov#value>	"FIG. 6A is a diagram showing how the surgeon's head moves up and down;" .
<http://webisa.webdatacommons.org/163897294>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.co.uk> .