<http://webisa.webdatacommons.org/prov/447157715>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/121447651> .
<http://webisa.webdatacommons.org/121447651>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/121447651>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/121447651>	<http://www.w3.org/ns/prov#value>	"reader should know that both as regards iodine and other minerals," .