6Feng XL, Guo S, Hipgrave D, et al. China's facility-based birth strategy and neonatal mortality: a population-based epidemiological study[J]. Lancet, 2011,378:1493-1500.
7Rajaratnam JK, Marcus JR, Flaxman AD, et al. Neonatal, postneonatal, childhood, and under-5 mortality for 187 countries, 1970-2010: a systematic analysis of progress towardsMillennium Development Goal 4[J]. Lancet, 2010, 375:1988- 2008.
8Lawn JE, Cousens S, Zupan J. 4 million neonatal deaths: when? Where? Why? [J]. Lancet, 2005, 365:891-900.
9Dolk H, Loane M, Garne E. The prevalence of congenital anomalies in Europe[J]. Adv Exp Med Biol, 2010, 686:349-364.
10Fanaroff AA, Stoll B J, Wright LL, et al. Trends in neonatal morbidity and mortality for very low birthweight infants[J]. Am J Obstet Gynecol, 2007, 196:147.el-8.