Reply to letter ¿Beta-blockers in acute coronary syndrome patients: The concept of `gradient of benefit¿¿ Jesús Velásquez-Rodríguez; Manuel Martínez-Sellés;

Influence of left ventricular systolic function on the long-term benefit of beta-blockers after ST-segment elevation myocardial infarction Jesús Velásquez-Rodríguez; Vanesa Bruña; Lourdes Vicent; Felipe Díez-Delhoyo; María Jesús Valero-Masa; Iago Sousa-Casasnovas; Miriam Juárez; Carolina Devesa; Francisco Fernández-Avilés; Manuel Martínez-Sellés;

One-year recurrence rate of new-onset atrial fibrillation after acute myocardial infarction Alicia Prieto-Lobato; Víctor Hidalgo Olivares; Manuel Gerónimo Pardo; Marta Cubells Pastor; Francisco Manuel Salmerón Martínez; Miguel José Corbí-Pascual;