About: http://webisa.webdatacommons.org/402842353

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	I think a placebo is a treatment that lacks something that is claimed to be an essential element (physical or psychological) of the treatment being assessed.
http://www.w3.org/ns/prov#wasQuotedFrom	badscience.net