<http://webisa.webdatacommons.org/299413664>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/299413664>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<oregonstate.edu> .
<http://webisa.webdatacommons.org/prov/129647751>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/299413664> .
<http://webisa.webdatacommons.org/prov/406961191>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/299413664> .
<http://webisa.webdatacommons.org/299413664>	<http://www.w3.org/ns/prov#value>	"Metal ions, such as iron and copper, can catalyze the production of free radicals." .