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<http://webisa.webdatacommons.org/2673243>	<http://www.w3.org/ns/prov#value>	"Our patient is a 38-year-old female with a history of late onset keratoconus." .
<http://webisa.webdatacommons.org/prov/268592893>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/2673243> .