About: http://webisa.webdatacommons.org/360709539

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	Case control studies compare groups of people with a disease such as leukemia, etc, to a similar group of people without the disease.
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov