Beat-to-beat QT interval variability before and after cardiac surgery. - Sabina Frljak; Viktor Avbelj; Roman Trobec; B. Meglic; Toshimi Ujiie; Borut Gersak (Comput. Biol. Medicine, 2003)

Estimating the Universal Positions of Wireless Body Electrodes for Measuring Cardiac Electrical Activity. - Ivan Tomasic; Sabina Frljak; Roman Trobec (IEEE Trans. Biomed. Eng., 2013)