Cian, F., M. L. Deiana, C. Fabris, A. Belgrano, B. Biasioli, M. D’Andrea, T. Giani, and G. M. Rossolini. “Isolation of Klebsiella Pneumoniae Strains With Altered Susceptibility to Carbapenems Not Carbapenemase Mediated”. Microbiologia Medica, Vol. 24, no. 4, Dec. 2009, doi:10.4081/mm.2009.2502.