CJCP     2008 10 (4):  557-561    ISSN: 1008-8830  CN: 43-1301/R Research advance on risk factors for nosocomial infection in the neonatal intensive care unit and prevention strategies GUO Wei-Wei, SUN Jian-Hua NICU, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai 200127, China Received: null  Revised: null  Online: null Supporting info