title: [Considerations on the variability of the morphology of bigeminal ventricular extrasystoles, in relation to the pathogenetic mechanism of extrasystoles].
mesh_terms: D000328:Adult; D000368:Aged; D005117:Cardiac Complexes, Premature; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: Considerazioni sulla variabilità della morfologia delle extrasistoli bigemine ventricolari, in rapporto al meccanismo patogenetico delle extrasistoli.