About: http://webisa.webdatacommons.org/352471468

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	Down Syndrome is a medically diagnosed syndrome caused by the presence of an extra chromosome 21 and occurs in approximately one in 900 births.
http://www.w3.org/ns/prov#wasQuotedFrom	teach-nology.com