About: http://webisa.webdatacommons.org/81711312

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 the poorer diets, many of the vitamins and particularly A, B-1, D and B-12 are known to be deficient.
http://www.w3.org/ns/prov#wasQuotedFrom	ivu.org