Cordero-Delgado, David Agustín, et al. “Evidence and Recommendation of Empirical Antimicrobial Treatment in Pyogenic Spondylodiscitis: Systematic Review”. Revista Médica Del Instituto Mexicano Del Seguro Social, vol. 55, no. Supl 1, Feb. 2017, pp. S6-S13, https://revistamedica.imss.gob.mx/index.php/revista_medica/article/view/1327.