TY - JOUR AU - Ewaryst Tkacz AU - Zbigniew Budzianowski AU - Ivo Provaznik AU - Wojciech Oleksy BT - Transactions of Japanese Society for Medical and Biological Engineering LA - eng PY - 2013 EP - R–74 T2 - Transactions of Japanese Society for Medical and Biological Engineering TI - The Application of Higher Order Spectra for Analysis of Heart Rate Variability (HRV) Signals Acquired from Patients after Ischemic Brain Stroke VL - 51 ER -