77.    Aoyama, H.; Nakagawa, H.; Pitha, J.V.; Khammar, G.S.; Chandrasekaran, K.; Matsudaira, K.; Yagi, T.; Yokoyama, K.; Lazzara, R.; Jackman, W.M. Comparison of cryothermia and radiofrequency current in safety and efficacy of catheter ablation within the canine coronary sinus close to the left circumflex coronary artery. J. Cardiovasc Electrophysiol. 200516, 1218–1226.