About: http://webisa.webdatacommons.org/438634456

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	US waveforms can be defined by their acoustic frequency, intensity, waveform duration, and other parameters that vary the timecourse of acoustic waves in a target tissue.???
http://www.w3.org/ns/prov#wasQuotedFrom	activistpost.com