About: http://webisa.webdatacommons.org/120280119

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http://www.w3.org/ns/prov#value	A sample of amniotic fluid is withdrawn through a needle inserted into your abdomen and tested for Down syndrome, open neural tube defects, and other genetic disorders.
http://www.w3.org/ns/prov#wasQuotedFrom	parenting.com