PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One important finding to come out of cancer research laboratories over the past few years is that tumors comprise many types of cells and that only a small proportion??the cancer stem cells??are responsible for the unlimited growth potential of a malignant tumor.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cancer.gov