About: http://webisa.webdatacommons.org/31526487

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	Preferably an electrically conductive material such as conductive gel is applied to each electrode and/or the skin surface against which the particular electrode is placed.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com