About: http://webisa.webdatacommons.org/186131571

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	coming from the 50???60 Hz power line and body movement are examples of artifacts.
http://www.w3.org/ns/prov#wasQuotedFrom	jneuroengrehab.com