4Silva CP, Amarante JM, Lacerda RA, et al. Klebsiella pneumoniae outbreak in a cancer unit of a general hospital: predisposing factors and evaluation of the impact of intervention measures [J]. Braz J Infect Dis, 2005, 9(3) : 225 230.
5Shannon K, Fung K, Stapleton P, et al. A hospital outbreak of extended-spectrum beta-lactamase-producing Klebsiella pneumoniae investigated by RAPD typing and analysis of the genetics and mechanisms of resistance [J]. J Hosp Infect, 1998, 39(4) : 291- 300.
