About: http://webisa.webdatacommons.org/134896481

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	The present invention is a reliable, accurate, non-invasive, and passive technique to measure the electrocardiographic waveform of the fetus.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com