PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Immunologists discover immune system precursor cells that fight infection The innate immune system recognizes infectious agents such as viruses and bacteria.
http://www.w3.org/ns/prov#wasQuotedFrom
  • medicalxpress.com