@article{articlef8c9338a, title = {Comparison of the effects of sublingual isosorbide dinitrate and cardiomyotomy on esophageal emptying in patients with chagasic megaesophagus}, author = {Oliveira, R. B. and Matsuda, N M and Figueiredo, M C A and Okano, N and Vargas, E C}, year = {1994}, journal = {Arquivos de Gastroenterologia} }