@article{article744114d3, title = {Effects of long term metoprolol administration on the eletrocardiogram of rats infected with t. Cruzi}, author = {Bestetti, Reinaldo Bulgarelli and Sales Neto, V N and Pinto, L Z and Soares, E G and Muccillo, Gerson and Oliveira, João Samuel Meira de}, year = {1990}, doi = {10.1093/cvr/24.7.521}, journal = {Cardiovascular Research} }