1. Recommendations to improve preconception health and health care- United States: a report of the CDC/ATDSR preconception care work group and select panel on preconception care;Centers for Disease Control and Prevention;MMWR,2006
2. Guest editors. Preconception health and health care: the clinical content of preconception care;Jack;Am. J. Obstet. Gynecol.,2008
3. Recognition of the fetal alcohol syndrome in early infancy;Jones;Lancet,1973
4. Unintended pregnancy in the United States;Henshaw;Fam. Plann. Perspect.,1998