Walkowiak Adam, Lorens Artur, Kostek Bozena, Skarzynski Henryk, Polak Marek
International Center of Hearing and Speech of Institute of Physiology and Pathology of Hearing, Warsaw/Kajetany, Poland.
Cochlear Implants Int. 2010 Jun;11 Suppl 1:482-4. doi: 10.1179/146701010X12671177204741.