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http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Natera recently brought to market a non-invasive pre-natal test that can detect Down syndrome and other conditions in a mother???s blood.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sequoiacap.com