About: http://webisa.webdatacommons.org/363867513

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	It is believed, however, that growth factors such as platelet derived growth factor (PDGF) initiate a number of intracellular events, called regulatory signals.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com