Experimentation with a transcranial magnetic stimulation system for functional brain mapping. - Ettinger,G.J.; Leventon,M.E.; Grimson,W.E.; Kikinis,R.; Gugino,L.; Cote,W.; Sprung,L.; Aglio,L.; Shenton,M.E.; Potts,G.; Hernandez,V.L.; Alexander,E. (Med Image Anal, 1998)