About: http://webisa.webdatacommons.org/406530294

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 three naturally occurring PDGFs (PDGF-AA, PDGF-BB and PDGF-AB) are potent mitogens for a variety of cell types including smooth muscle cells, connective tissue cells, bone and cartilage cells, and some blood cells.
http://www.w3.org/ns/prov#wasQuotedFrom	usbio.net