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

Impact of age on treatment and outcomes after acute myocardial infarction, particularly in very elderly patients Ana Teresa Timóteo, Ruben Ramos, Alexandra Toste, Ana Lousinha, José Alberto Oliveira, Maria Lurdes Ferreira, Rui Cruz Ferreira

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