Relationships between duodenal contractions and gastric emptying in healthy volunteers: a non invasive, scintigraphic study - Kubo, Tadeu Takao Almodovar; Moraes, Eder Rezende; Secaf, Marie; Troncon, Luiz Ernesto de Almeida (Congresso Brasileiro de Educação Médica (COBEM), 2009)