Spiandorello, W. P., Faintuch, J., Ribeiro, G. T., Karkow, F. J., & Alvares, J. O. (2006). Use of multiple antimicrobial drugs by clinical patients: a prognostic index of hospital mortality? . Clinics, 61(1), 15-20. https://doi.org/10.1590/S1807-59322006000100004