1. Parasystole;Castellanos,2000
2. Extrasystoles and Allied Arrhythmias;Scherf,1973
3. Ventricular parasystole in acute myocardial infarction;Salazar;Br Heart J,1970
4. Ventricular arrhythmia in ischemic cardiopathy;Flament;Arch Mal Coeur Vaiss,1986
5. Clinical Electrocardiography, Part I: The Arrhythmias;Katz,1956