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http://www.w3.org/1999/02/22-rdf-syntax-ns#type
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  • it is astounding that there are cells in our bone marrow that can become so many different cell types including blood, lung, GI tract and skin, says Dr. Krause of Yale University.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com