title: [Should drainage of the abdominal cavity be routine after bariatric surgery?].
authors.affiliation: departamento de cirurgia, Faculdade de Ciências Médicas, Santa Casa de São Paulo, São Paulo, SP.
authors.forename: Elias Jirjoss
authors.initials: EJ
authors.lastname: Ilias
authors.forename: Paulo
authors.initials: P
authors.lastname: Kassab
authors.forename: Carlos Alberto
authors.initials: CA
authors.lastname: Malheiros