TY - JOUR AU - Crespo Leiro, Marisa PY - 2015 SN - 1388-9842 UR - http://hdl.handle.net/20.500.11940/2010 LA - eng TI - Medium-term follow up of hospitalized patients with systolic heart failure undergoing early treatment with beta-blockers more ivabradine: a randomized study T2 - EUROPEAN JOURNAL OF HEART FAILURE M2 - 87 VL - 17 ER -