<http://webisa.webdatacommons.org/133213782>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/133213782>	<http://www.w3.org/ns/prov#value>	"Doppler ultrasound records sound waves reflecting off moving objects, such as blood, to measure their speed and other aspects of how they flow.There are different types of duplex ultrasound exams." .
<http://webisa.webdatacommons.org/prov/158971108>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/133213782> .
<http://webisa.webdatacommons.org/133213782>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mhs.net> .