Echocardiographic Study of the Coronary Sinus in the Indeterminate Form of Chagas Disease

by Glauco Andre Machado, Dalton Alexandre dos Anjos, Flávia de Freitas Rodrigues, Renata Fockink dos Anjos, Marcelo Barbosa Melo Luckemeyer, Daniel França Vasconcelos, Cleudson Nery de Castro