About: http://webisa.webdatacommons.org/42388796

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	Isolating this DNA was a good idea, Quake said, but recovering the vanishingly small amount of fetal cell-free DNA remained a challenge.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org