About: http://webisa.webdatacommons.org/270581107

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, also known as Down's syndrome and trisomy 21, is a condition that results from having an extra copy of the 21st chromosome.
http://www.w3.org/ns/prov#wasQuotedFrom	medicaldaily.com