About: http://webisa.webdatacommons.org/86064639

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	They surveyed specific product areas within grocery stores and recorded whether items such as low-fat milk or whole wheat bread were available.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca