Cian, F., Deiana, M. L., Fabris, C., Belgrano, A., Biasioli, B., D’Andrea, M., Giani, T., & Rossolini, G. M. (2009). Isolation of Klebsiella pneumoniae strains with altered susceptibility to carbapenems not carbapenemase mediated. Microbiologia Medica, 24(4). https://doi.org/10.4081/mm.2009.2502