Celik O, Kivisaari R, Kokuzawa J, Dashti R, Navratil O, Romani R, Niemela M, Hernesniemi J
Department of Neurosurgery, Helsinki University Central Hospital, Topeliuksenkatu 5, Helsinki, Finland.
Cent Eur Neurosurg. 2010 Aug;71(3):152-5. doi: 10.1055/s-0029-1225327. Epub 2010 Apr 15.