About: http://webisa.webdatacommons.org/13540237

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	The second study done was a hospital-based case-control study involving a large population of non-Hispanic whites (312 cases, 324 controls).
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca