• Comparing time-frequency methods for estimating instantaneous frequency of spindles during propofol anesthesia [Electronic resource]Ferenets, Rain; Jäntti, Ville; Huotari, Ari-Matti; Alahuhta, Seppo; Lipping, TarmoMedicon and Health Telematics 2004 "Health in the Information Society" : Xth Mediterranean Conference on Medical and Biological Engineering : July 31 - August 5, 2004, Ischia, Napeles-Italy2004 / [4] p. : ill. [CD-ROM]