Jiménez Jiménez, Juan Guillermo, et al. “Characterization of Hospital-Acquired Infections in a Third-Level Hospital in Medellin, Colombia: January 2005 – June 2009”. Medicina UPB, vol. 29, no. 1, June 2010, pp. 46-55, https://revistas.upb.edu.co/index.php/medicina/article/view/2079.