About: http://webisa.webdatacommons.org/299752231

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
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://www.w3.org/ns/prov#wasQuotedFrom	ifr.ac.uk