1. Committee on Understanding Premature Birth and Assuring Healthy Outcomes for the Board on Health Sciences Policy. Preterm Birth: Causes, Consequences, and Prevention. Washington, DC: Institute of Medicine; 2006. Available at: http://books.nap.edu/booksearch.php?isbn=030910159. Accessed December 19, 2006.
2. Martin JA, Hamilton BE, Menacker F, Sutton PD, Mathews TJ. Preliminary births for 2004: Infant and maternal health. Health E-stats. Hyattsville, MD: National Center for Health Statistics. Released November 15, 2005. Available at: http://www.cdc.gov/nchs/products/pubs/pubd/hestats/prelimbirths04/prelimbirths04health.htm. Accessed December 19, 2006.
3. Racial disparity in the frequency of recurrence of preterm birth;Kistka;Am J Ostet Gynecol,2007
4. Kochanek KD, Martin JA. Supplemental analyses of recent trends in infant mortality. Health E-stats. Hyattsville, MD: National Center for Health Statistics. Last reviewed October 4, 2006. Available at: http://www.cdc.gov/nchs/products/pubs/pubd/hestats/infantmort/infantmort.ht. Accessed December 19, 2006.
5. Office of Minority Health. Infant Mortality Fact Sheet: eliminate disparities in infant mortality. Available at: http://www.cdc.gov/omh/AMH/factsheets/infant.htm. Accessed December 19, 2006.