Reply to letter “Beta-blockers in acute coronary syndrome patients: The concept of ‘gradient of benefit”’ Jesús Velásquez-Rodríguez, Manuel Martínez-Sellés

Beta-blockers in acute coronary syndrome patients: The concept of ‘gradient of benefit’ Fernando Montenegro Sá, João Morais

Effect of beta-blocker dose on mortality after acute coronary syndrome Sergio Raposeiras-Roubin, Emad Abu-Assi, Berenice Caneiro-Queija, Rafael Cobas-Paz, Lucía Rioboo-Lestón, Cristina García Rodríguez, Cruz Giraldez Lemos, María Blanco Vidal, Beatriz Ogando Guillán, Isabel Pérez Martínez, Emilio Paredes-Galán, Víctor Jimenez-Díaz, Jose Antonio Baz-Alonso, Francisco Calvo-Iglesias, Andrés Íñiguez-Romo