About: http://webisa.webdatacommons.org/271622443

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	Ultrasonography is a safe, inexpensive and wide-spread diagnostic tool capable of producing real-time non-invasive images without significant biological effects.
http://www.w3.org/ns/prov#wasQuotedFrom	ualberta.ca