About: http://webisa.webdatacommons.org/34685134

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 ECM is composed of macromolecules such as polysaccharide glycosaminoglycans, proteoglycans, and fibrous proteins.
http://www.w3.org/ns/prov#wasQuotedFrom	bmj.com