<http://webisa.webdatacommons.org/37296037>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<biomedcentral.com> .
<http://webisa.webdatacommons.org/prov/511180864>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/37296037> .
<http://webisa.webdatacommons.org/prov/129647751>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/37296037> .
<http://webisa.webdatacommons.org/37296037>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/37296037>	<http://www.w3.org/ns/prov#value>	"metal ions, especially zinc, calcium and iron." .