title: QT dispersion: still a useful measurement.
authors.forename: Janos
authors.initials: J
authors.lastname: Molnar
authors.forename: John C
authors.initials: JC
authors.lastname: Somberg
mesh_terms: D004562:Electrocardiography; D006333:Heart Failure / Q000175:diagnosis* / Q000453:epidemiology / Q000503:physiopathology*; D006801:Humans; D012307:Risk Factors