<http://webisa.webdatacommons.org/301000852>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pcrm.org> .
<http://webisa.webdatacommons.org/301000852>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/435536690>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/301000852> .
<http://webisa.webdatacommons.org/301000852>	<http://www.w3.org/ns/prov#value>	"Finally, beta-carotene and other vitamins have shown efficacy in cancer prevention in dozens of studies." .
<http://webisa.webdatacommons.org/prov/477545382>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/301000852> .