About: http://webisa.webdatacommons.org/338900796

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	They are quite rare, but found in many tissues including blood in the umbilical cord.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceray.com