About: http://webisa.webdatacommons.org/330264376

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	Subjects and controls should be matched for age, sex, education level, socioeconomic status, and physical features such as race, age, and body mass index.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com