title: Magnetic stimulation: determination of coil current flow direction.
authors.affiliation: Clinical Neurophysiology Laboratory, Massachusetts General Hospital, Boston 02114.
authors.forename: K H
authors.initials: KH
authors.lastname: Chiappa
authors.forename: D
authors.initials: D
authors.lastname: Cros
authors.forename: D
authors.initials: D
authors.lastname: Cohen
mesh_terms: D004553:Electric Conductivity; D004558:Electric Stimulation / Q000379:methods*; D006801:Humans; D008280:Magnetics / Q000379:methods*