TI - Long Eustachian valve interfering with the access to coronary sinus during biventricular pacemaker implantation AU - Uçar, Ö. AU - Canbay, A. AU - Diker, E. AU - Aydoğdu, S. SO - The Anatolian Journal of Cardiology 2010;10:185-186. DO - 10.5152/akd.2010.047