About: http://webisa.webdatacommons.org/281459684

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	This low frequency rumble is produced by an involuntary trembling motion (tremor) of the physician's hand, which trembling motion is mostly imperceptible by human eyes and has muscular origins (positioning feedback).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com