About: http://webisa.webdatacommons.org/68470381

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	Although surveys suggest that many Americans, particularly older Americans, do not consume sufficient amounts of magnesium, symptoms of deficiencies are rarely seen.
http://www.w3.org/ns/prov#wasQuotedFrom	about.com