About: http://webisa.webdatacommons.org/263057809

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	Biofeedback systems may also provide feedback on biorhythms and functions of the body such as heart rate.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com