<http://webisa.webdatacommons.org/171917706>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.fr> .
<http://webisa.webdatacommons.org/171917706>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/171917706>	<http://www.w3.org/ns/prov#value>	"When an ultrasound wave that is passing through the body encounters a structure, such as an organ or other body tissue, the structure reflects a portion of the ultrasound wave." .
<http://webisa.webdatacommons.org/prov/197739533>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/171917706> .