2Sanders JM. Bilateral superior vena cava. Anat Rec , 1946,94: 657-659.
3Navarrete AJ, Arora R, Hubbard JE,et al. Magnetic electroanatomic mapping of an atrial tachycardia requiring ablation within the coronary sinus. J Cardiovasc Electrophysiol, 2003, 14:1361-1364.