I Wellens HJJ, Brugada P, Penn OC, Gorgels AP, Smeets J. Pre-excitation svndromes: clinical presentation, course and therapy. In: Zipes DP, Jalife J, eds. Cardiac electrophvsiology: from cell to bedside. Philadelphia: W B Saunders, 1990:691-702. 2 Klein GJ, Bashore TM, Sellers TD, Pritchett ELC, Smith WM, Gallagher JJ. Ventricular fibrillation in the Wolff-Parkinson-White syndrome. N Engl3' Med...