@article{article978bbab6,
title   = {Ultrasonic tissue characterization for patients with Chagas' Disease},
author = {Pazin-Filho, Antônio and Schmidt, André and Almeida Filho, Oswaldo César de and Marin-Neto, José Antônio and Maciel, Benedito Carlos},
year = {2004},
doi = {10.1016/j.echo.2003.10.022},
journal   = {Journal of American Society of Echocardiography}
}