<http://webisa.webdatacommons.org/prov/474661282>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/182100006> .
<http://webisa.webdatacommons.org/182100006>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/475288258>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/182100006> .
<http://webisa.webdatacommons.org/182100006>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<insidecareerinfo.com> .
<http://webisa.webdatacommons.org/182100006>	<http://www.w3.org/ns/prov#value>	"Sonographers may specialize in one field, such as obstetrics and gynecology, abdominal, or neurosonography." .