PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • cytokines such as interleukin 2, and growth factors such as epidermal growth factor, platelet derived growth factor, and nerve growth factor.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com