Piotrowska Anna, Lorens Artur, Jedrzejczak W Wiktor, Skarzynski Henryk
International Center of Hearing and Speech of Institute of Physiology and Pathology of Hearing, Warsaw/Kajetany, Poland.
Cochlear Implants Int. 2010 Jun;11 Suppl 1:114-6. doi: 10.1179/146701010X12671177544186.