<http://webisa.webdatacommons.org/prov/276736877>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/246491999> .
<http://webisa.webdatacommons.org/246491999>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<clinicaltrials.gov> .
<http://webisa.webdatacommons.org/246491999>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/246491999>	<http://www.w3.org/ns/prov#value>	"The corneal collagen cross-linking treatment has been used with increasing success to treat corneal dystrophies such as keratoconus." .