About: http://webisa.webdatacommons.org/31056458

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Calcium is a mineral essential for building bones and teeth and for maintaining bone strength.
http://www.w3.org/ns/prov#wasQuotedFrom	northamericanpharmacal.com