About: http://webisa.webdatacommons.org/134882972

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	These trials--which may involve hundreds, perhaps thousands, of people around the country--can also compare new treatments with no treatment.
http://www.w3.org/ns/prov#wasQuotedFrom	westcoasteyecare.com