title: [Problems in electrocardiographic and vectorcardiographic classification of ventricular pre-excitation].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014672:Vectorcardiography; D014927:Wolff-Parkinson-White Syndrome / Q000175:diagnosis*
vernacular_title: Problemi sulla classificazione elettro-vettor-cardiografica della preeccitazione ventricolare.