About: http://webisa.webdatacommons.org/444781896

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	Comparators included placebo or active control, usual care, and other interventions.
http://www.w3.org/ns/prov#wasQuotedFrom	ahrq.gov