CJCP     2012 14 (4):  253-255    ISSN: 1008-8830  CN: 43-1301/R Comparisons of efficacy of different pulmonary surfactants for the treatment of neonatal respiratory distress syndrome LIU Yun, LI Li, LIANG Wen-Ying, NIE Chun-Xia Department of Neonatology, Luoyang Women and Children's Medical Care Center, Luoyang, Henan 471000, China. liuyunwenrui@yahoo.com.cn Received: null  Revised: null  Online: null Supporting info