About: http://webisa.webdatacommons.org/141063901

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	Vitamin D is, of course, most essential to calcium absorption, though this may be less necessary when the calcium chelates, such as calcium aspartate or calcium citrate, are used.
http://www.w3.org/ns/prov#wasQuotedFrom	healthy.net