The severity of ventricular arrhythmia correlates with the extent of myocardial sympathetic denervation, but not with myocardial fibrosis extent in chronic Chagas cardiomyopathy - Gadioli, Leonardo Pippa; Miranda, Carlos Henrique; Pintya, Antonio Osvaldo; Figueiredo, Alexandre Baldini de; Schmidt, Andre; Maciel, Benedito Carlos; Marin Neto, José Antonio; Simões, Marcus Vinícius (Journal of Nuclear Cardiology, 2018)