About: http://webisa.webdatacommons.org/188345818

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's syndrome (DS) or trisomy 21 is the most frequent genetic birth defect associated with mental retardation.
http://www.w3.org/ns/prov#wasQuotedFrom	researchgate.net