title: Centennial, but still current.
authors.affiliation: Faculdade de Medicina, Universidade de São Paulo - USP, São Paulo, SP, BR.
authors.forename: Paulo Augusto Achucarro
authors.initials: PA
authors.lastname: Silveira
authors.affiliation: Nosocomial Infection Control Committee, Hospital Israelita Albert Einstein - HIAE, São Paulo, SP, BR.
authors.forename: Jacyr
authors.initials: J
authors.lastname: Pasternak