Regional myocardial sympathetic denervation precedes the development of left ventricular systolic dysfunction in chronic Chagas’ cardiomyopathy - Gadioli, Leonardo Pippa; Miranda, Carlos Henrique; Marin Neto, José Antonio; Volpe, Gustavo Jardim; Barros Filho, Antonio Carlos Leite de; Pazin Filho, Antônio; Pintya, Antonio Osvaldo; Figueiredo, Alexandre Baldini de; Simões, Marcus Vinícius (Journal of Nuclear Cardiology, 2022)