title: Letter regarding article by Wichterle et al, "prevalent low-frequency oscillation of heart rate: novel predictor of mortality after myocardial infarction".
authors.forename: Mari A
authors.initials: MA
authors.lastname: Watanabe
authors.forename: Przemyslaw
authors.initials: P
authors.lastname: Guzik
mesh_terms: D006339:Heart Rate; D006801:Humans; D008722:Methods; D009203:Myocardial Infarction / Q000175:diagnosis / Q000401:mortality*; D011237:Predictive Value of Tests; D011379:Prognosis; D012307:Risk Factors