About: http://webisa.webdatacommons.org/222688654

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	Overall both groups of positive and negative studies are quite comparable in sampling and other methodologies.
http://www.w3.org/ns/prov#wasQuotedFrom	europa.eu