PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Currently, in the United States, eye banks provide tissue for about 46,000 cornea transplants each year to treat conditions such as keratoconus and corneal scarring.
http://www.w3.org/ns/prov#wasQuotedFrom
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