http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=10797456&dopt=Abstract
Bioelectromagnetics 2000 May;21(4):272-86
Macias MY, Battocletti JH, Sutton CH, Pintar FA, Maiman DJ.
Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, WI, USA.