About: http://webisa.webdatacommons.org/29270376

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	validation studies with greater variations in age, ethnicity and other participant
http://www.w3.org/ns/prov#wasQuotedFrom	biomedcentral.com