Heart rate turbulence-based predictors of fatal and nonfatal cardiac arrest (The Autonomic Tone and Reflexes After Myocardial Infarction substudy). - Ghuran,A.; Reid,F.; La Rovere,M.T.; Schmidt,G.; Bigger Jr,J.T.; Camm,A.J.; Schwartz,P.J.; Malik,M. (Am J Cardiol, 2002)