1. The March of Dimes Global Report on Birth Defects: The Hidden Toll of Dying and Disabled Children;Christianson,2006
2. Update on overall prevalence of major birth defects—Atlanta, Georgia, 1978–2005;Morb. Mortal. Wkly Rep.,2008
3. The Status of Health in the European Union: Congenital Malformations 2009;Dolk