<http://webisa.webdatacommons.org/11172421>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/454406087>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/11172421> .
<http://webisa.webdatacommons.org/11172421>	<http://www.w3.org/ns/prov#value>	"Iron is an essential nutrient for almost all organisms." .
<http://webisa.webdatacommons.org/11172421>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pubmedcentralcanada.ca> .