<http://webisa.webdatacommons.org/269150387>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/269150387>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.co.uk> .
<http://webisa.webdatacommons.org/prov/499139246>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/269150387> .
<http://webisa.webdatacommons.org/269150387>	<http://www.w3.org/ns/prov#value>	"One way to achieve this would be to not only spread the retractor blades apart to spread the ribs laterally, but to also spread the ribs and surrounding upwardly away from the body, e.g. to lift the tissue." .