@article{article9509a8f1,
title   = {Lower esophageal sphincter pressure in chagas disease},
author = {Dantas, Roberto Oliveira and Godoy, Renato Alves de and Oliveira, R. B. and Meneghelli, U G and Troncon, L E A},
year = {1990},
doi = {10.1007/bf01536927},
journal   = {Digestive Diseases and Sciences}
}