TI - Assessment of the Efficacy of Bisoprolol Administration by Cardiopulmonary Exercise Testing in Patients with Heart Failure AU - Terzi, S. AU - Ünal Dayi, Ş. AU - Akbulut, T. AU - Dağ, Ö. AU - Köse, H. AU - Şatıroğlu, Ö. AU - Sayar, N. AU - Bilsel, T. AU - Aksoy, Ş. AU - Yeşilçimen, K. SO - The Anatolian Journal of Cardiology 2003;3:313-318. DO -