About: http://webisa.webdatacommons.org/253054333

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	trials showing that it will help, there is a randomized controlled trial
http://www.w3.org/ns/prov#wasQuotedFrom	thefreelibrary.com