Authors: Makikallio, TH Huikuri, HV Makikallio, A Sourander, LB Mitrani, RD Castellanos, A Myerburg, RJ

Citation: Th. Makikallio et al., Prediction of sudden cardiac death by fractal analysis of heart rate variability in elderly subjects, J AM COL C, 37(5), 2001, pp. 1395-1402

Authors: Koorpelainen, JT Sotaniemi, KA Makikallio, A Huikuri, HV Myllyla, VV

Citation: Jt. Koorpelainen et al., Dynamic behavior of heart rate in ischemic stroke, STROKE, 30(5), 1999, pp. 1008-1013