About: http://webisa.webdatacommons.org/229737224

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	blinded to the intervention, except for the surgeons and other operating theatre personnel,
http://www.w3.org/ns/prov#wasQuotedFrom	biomedcentral.com