title: The syndrome of premature ventricular excitation in which the PR interval is short and the QRS complex is prolonged (Wolff-Parkinson-White syndrome); report of four cases.
authors.forename: J M
authors.initials: JM
authors.lastname: BARKER
mesh_terms: D004562:Electrocardiography; D006321:Heart; D006327:Heart Block; D006352:Heart Ventricles; D006801:Humans; D014927:Wolff-Parkinson-White Syndrome
keywords: HEART/block; HEART/electrocardiography