About: http://webisa.webdatacommons.org/290868961

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	A placebo is a substance that looks like the study drug but has no active ingredients.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov