TI - Re-operation for the mechanical valve obstruction with a beating heart technique in an elderly patient with compromised ventricular function AU - Çiçekcioğlu, F. AU - Tütün, U. AU - Babaroğlu, S. AU - Aksöyek, A. AU - Parlar, A.İ. AU - Ulus, A.T. AU - Katırcıoğlu, S.F. SO - The Anatolian Journal of Cardiology 2008;8:389-390. DO -