1. Socioeconomic factors and adolescent pregnancy outcomes: distinctions between neonatal and postneonatal deaths?;Markovitz;BMC Pregnancy Childbirth,2005
2. National Center for Health Statistics. Infant mortality statistics for the 1999 period linked birth/infant death data set. National Vital Statistics Report 2002;50(4):2000–2001.
3. National Center for Health Statistics. Births to teenagers in the United States, 1940–2000. National Vital Statistics Report 2001;49(10):1–24.
4. Racial disparities in reproductive health outcomes;Anachebe;Am J Obstet Gynecol,2003
5. Adolescent pregnancy—current trends and issues: 1998;American Academy of Pediatries CoA;Pediatrics,1999