Scherlag BJ, Wang X, Nakagawa H, Hirao K, Santoro I, Dugger D, Gwin RM, Peters L, Lazzara R, Jackman WM. Radiofrequency ablation of a concealed accessory pathway as treatment for incessant supraventricular tachycardia in a dog. J Am Vet Med Assoc. 1993 Oct 15; 203(8):1147-52.