1. Lee PS. Kang SB, editor. Adequacy of supply and demand for the hospital and the doctor by low fertility. Proceedings of the 92th Korean Society of Obstetrics and Gynecology. 2006. 2006 Sep 30 Aug 1; Seoul. Jin publishing and printing Co;95–104.
4. Nelson KB. What proportion of cerebral palsy is related to birth asphyxia? J Pediatr. 1988. 112:572–574.
5. Perlman JM. Intrapartum hypoxic-ischemic cerebral injury and subsequent cerebral palsy: medicolegal issues. Pediatrics. 1997. 99:851–859.
6. Hankins GD, Speer M. Defining the pathogenesis and pathophysiology of neonatal encephalopathy and cerebral palsy. Obstet Gynecol. 2003. 102:628–636.
7. Yeargin-Allsopp M, Van Naarden Braun K, Doernberg NS, Benedict RE, Kirby RS, Durkin MS. Prevalence of cerebral palsy in 8-year-old children in three areas of the United States in 2002: a multisite collaboration. Pediatrics. 2008. 121:547–554.
8. Oh SY. Current opinion of cerebral palsy. Korean J Obstet Gynecol. 2007. 50:1191–1204.
9. Wood NS, Marlow N, Costeloe K, Gibson AT, Wilkinson AR. EPICure Study Group. Neurologic and developmental disability after extremely preterm birth. N Engl J Med. 2000. 343:378–384.
10. Grether JK, Nelson KB. Maternal infection and cerebral palsy in infants of normal birth weight. JAMA. 1997. 278:207–211.
11. Yoon BH, Park CW, Chaiworapongsa T. Intrauterine infection and the development of cerebral palsy. BJOG. 2003. 110:Suppl 20. 124–127.