Echeverri Toro, L.M., Atehortúa Muñoz, S.L. and Robledo Restrepo, J. (2009) “K. pneumoniae and beta-lactamases. A rising issue”, Medicina UPB, 28(2), pp. 135–141. Available at: https://revistas.upb.edu.co/index.php/medicina/article/view/2137 (Accessed: 10 August 2026).