About: http://webisa.webdatacommons.org/150428306

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	age range of 18-64 (confirmed by drivers license or other form of identification)
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov