<http://webisa.webdatacommons.org/prov/308244290>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/239435681> .
<http://webisa.webdatacommons.org/239435681>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<integrisequipment.com> .
<http://webisa.webdatacommons.org/239435681>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/239435681>	<http://www.w3.org/ns/prov#value>	"One advantage of the Doppler fetal monitor over a (purely acoustic) fetal stethoscope is the electronic audio output, which allows people other than the user to hear the heartbeat." .