Detection of functional recovery using low-dose dobutamine and myocardial contrast echocardiography after acute myocardial infarction treated with successful thrombolytic therapy - Sbano, João Cesar Nunes; Tsutsui, Jeane Mike; Andrade, Jose Lazaro de; Nicolau, José Carlos; Meneghetti, José Cláudio; Ramires, Jose Antonio Franchini; Mathias Junior, Wilson (Echocardiography, 2005)