About: http://webisa.webdatacommons.org/19912607

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	In one study of 23 elderly people, levels of Vitamin D were normal in July, but fell by up to 65% the following February, and other studies support these findings.
http://www.w3.org/ns/prov#wasQuotedFrom	luckyvitamin.com