Increased amplitude of gastric antral contractions may have a defensive role in gastro-esophageal reflux disease - Barbieri, Claudio Henrique; Troncon, Luiz Ernesto de Almeida; Herculano, J. R.; Aprile, L.; Moraes, E.; Dantas, Roberto Oliveira (International Symposium on Neurogastroenterology and Motility, 2005)