Effects of Carvedilol upon intra- and interventricular synchrony in patients with chronic heart failure

Pablo F. Castro, Paul Mc-Nab, Juan Carlos Quintana, Alex Bittner, Douglas Greig, Ismael Vergara, José Luis Vukasovic, Ramón Corbalan, Miguel Copaja, Guillermo Díaz-Araya, Mario Chiong, Rodrigo Troncoso, Hernán Alcaino, Sergio Lavandero