PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The agent is a monoclonal antibody that neutralizes the programmed death 1 (PD-1) protein, an element of tumors that enables them to evade their nemesis, the immune system.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cancer.org