About: http://webisa.webdatacommons.org/214883965

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	The data available for this article permit us to examine four of these six types of barriers: They do not provide adequate information to examine contraindication barriers and regulation barriers.
http://www.w3.org/ns/prov#wasQuotedFrom	guttmacher.org