<http://webisa.webdatacommons.org/252853411>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<lef.org> .
<http://webisa.webdatacommons.org/prov/24965167>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/252853411> .
<http://webisa.webdatacommons.org/252853411>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/252853411>	<http://www.w3.org/ns/prov#value>	"Strontium is a trace mineral whose metabolism is closely linked to that of calcium. (It resembles calcium at the molecular level.) Strontium concentrates in the skeletal system, where it plays a key role in supporting bone tissue density." .