About: http://webisa.webdatacommons.org/146921372

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 primary advantage of ultrasound is that internal organs and other structures can be observed without using radiation.
http://www.w3.org/ns/prov#wasQuotedFrom	tncancer.com