Electrocardiogram during tachycardia in patients with anterograde conduction over a Mahaim fiber: old criteria revisited - Sternick, Eduardo Back; Cruz, Fernando E. S.; Timmermans, Carl; Sosa, Eduardo Argentino; Rodriguez, Luz-Maria; Gerken, Luiz M.; Fagundes, Márcio L.; Scanavacca, Maurício Ibrahim; Wellens, Hein J. J. (Heart Rhythm, 2004)