About: http://webisa.webdatacommons.org/403756954

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	Foods that come from animals, including fish, meat, especially liver, milk, eggs and poultry are usual sources of vitamin B12.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencedaily.com