Characterization of the apical aneurysm of chronic chagas'heart disease by scintigraphic image co-registration - Simões, Marcus Vinícius; Oliveira, Lucas Ferrari de; Hiss, Flávio Cantarelli; Figueiredo, Alexandre Baldini de; Pintya, Antonio Osvaldo; Maciel, Benedito Carlos; Marin-Neto, José Antônio (Arquivos Brasileiros de Cardiologia, 2007)