Risk factors for ventilator-associated pneumonia in neonates and the changes of isolated pathogens
YING Yan-Fen, CHEN Shang-Qin, HU Xiao-Ya, WANG Neng-Li, LIU Hua-Lan, HU Shu-Ying, LIN Zhen-Lang
中国当代儿科杂志 . 2010, (12): 936 -939 .