1. 1. Fetal Death (2007). Retrieved July 15, 2008, from http://www.cdc.gov/nchs/datawh/nchsdefs/ fetaldeath.htm
2. 2. Beers MH, Berkow R, editors. Gynecology and Obstetrics. STAT!Ref Online Electronic Medical Library. Section 18. West Point, PA: Merck & Co, 1999.
3. 3. Kowaleski J. State defintions and reporting requirements for live births, fetal deaths, and induced terminations of pregnancy (1997 revision). Hyattsville, Maryland: National Center for Health Statistics, 1997.
4. . Martin JA, Hoyert DL. The national fetal death file. Semin Perinatol 2002; 26(1):3–11.
5. . Gourbin G, Masuy-Stroobant G. Registration of vital data: are live births and stillbirths comparable all over Europe? Bull World Health Organ 1995; 73(4):449–460.