About: http://webisa.webdatacommons.org/238430265

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	Neither the patients nor the doctors treating them know which ones are the Test and which ones are the Placebo.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com