About: http://webisa.webdatacommons.org/237583843

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	Because of safety considerations, the patent suggests using a magnet in the range of 50 to 200 Oe [8-22] ???the preferred distance from the hand-held magnet to the head or other body portion is approximately 2 to 3 inches.???[8-23].
http://www.w3.org/ns/prov#wasQuotedFrom	google.com