Diffusion and transmission of carbapenem-resistant Klebsiella pneumoniae in the medical and surgical wards of a university hospital in Milan, Italy oleh Anna L. Ridolfo, Sara G. Rimoldi, Cristina Pagani, Andrea F. Marino, Anna Piol, Matteo Rimoldi, Pietro Olivieri, Massimo Galli, Lucia Dolcetti, Maria R. Gismondo