C. C. de Freitas, M. A. B. da Costa, J. M. Caballido, and C. Samel, “Concentrações mínimas: Minimal inhibitory concentrations (MICs) and minimal bactericida/ concentrations (MBCs) for oxacillin and vancomycin on Staphylococcus aureus strains isolated from patients of the HUAP”, DST, vol. 3, no. 2, pp. 31–34, Apr. 1991.