About: http://webisa.webdatacommons.org/445473099

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	We excluded 513 studies, mostly because they were not randomized clinical trials or because they lacked blinded or nonblinded outcome assessment (Figure 1).
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca