<http://webisa.webdatacommons.org/299752231>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ifr.ac.uk> .
<http://webisa.webdatacommons.org/prov/87292875>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/299752231> .
<http://webisa.webdatacommons.org/299752231>	<http://www.w3.org/ns/prov#value>	"Retrospective or ???case-control??? studies typically take a group of people with a certain disease and compare their diets with a control group without the disease." .
<http://webisa.webdatacommons.org/299752231>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .