Predictive value of clinical and electrophysiological variables in patients with chronic chagasic cardiomyopathy and nonsustained ventricular tachycardia oleh Rose Mary Ferreira Lisboa da Silva, Maria Zildany Pinheiro Távora, Fernando Antônio Aquino Gondim, Niraj Metha, Vanderlei Mitsuo Hara, Angelo Amato Vincenzo de Paola