About: http://webisa.webdatacommons.org/70622304

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	Some people develop low levels of certain vitamins and nutrients, such as vitamins D and B12, as a complication related to aging.
http://www.w3.org/ns/prov#wasQuotedFrom	mdanderson.org