CJCP     2007 9 (4):  381-382    ISSN: 1008-8830  CN: 43-1301/R Extend-spectrum beta-lactamas-producing klebsilla pneumoniae infection in preterm infants: clinical analysis of 7 cases LIAO Ji-Ren, CHEN Xiang-Hong Zhuzhou Maternal and Child Health Care Hospital, Zhuzhou, Hunan, 412008, China. Received: null  Revised: null  Online: null Supporting info