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- Disparities in rates of unintended pregnancy in the United States, 1994 and 2001.Perspect Sex Reprod Health. 2006; 38: 90-96
- Contraceptive failure rates: new estimates from the 1995 National Survey of Family Growth.Fam Plann Perspect. 1999; 31: 56-63
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- Healthy People 2010.With understanding and improving health and objectives for improving health, vol 1. 2nd ed. U.S. Government Printing Office, Washington, DC2000
- Contraceptive failure rates based on the 1988 NSFG.Fam Plann Perspect. 1992; 24: 12-19
- Abortion incidence and services in the United States in 2000.Perspect Sex Reprod Health. 2003; 35: 6-15
- Underreporting of induced and spontaneous abortion in the United States: an analysis of the 2002 National Survey of Family Growth.Stud Fam Plann. 2007; 38: 187-197
- Contraceptive use among U.S. women having abortions in 2000���2001.Perspect Sex Reprod Health. 2002; 34: 294-303
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- Underreporting of abortion in surveys of U.S. women: 1976 to 1988.Demography. 1992; 29: 113-125
Vaughan B, Trussell J, Menken J, Jones EF, Grady W. Contraceptive efficacy among married women aged 15--44 years: United States. National Center for Health Statistics, Vital Health Stat, Series 23, No. 5, 70 pages.
- Design and analysis of randomized clinical trials requiring prolonged observation of each patient. II. Analysis and examples.Br J Cancer. 1977; 35: 1-39
- SAS Institute Inc. SAS, computer programming package for statistical analysis.2007
Lepkowski JM, Mosher WD, Davis KE, Groves RM, van Hoewyk J, Willem J. National Survey of Family Growth, Cycle 6: sample design, weighting, imputation, and variance estimation. National Center for Health Statistics, Vital Health Stat, 2006, Series 2, No.142, 92 pages.
- Use of contraception and use of family planning services in the United States: 1982���2002. Advance data from vital and health statistics; no. 350.National Center for Health Statistics, Hyattsville, Maryland2004
- U.S. women's one-year contraceptive use patterns, 2004.Perspect Sex Reprod Health. 2007; 39: 48-55
- Factors associated with contraceptive use and nonuse United States, 2004.Perspect Sex Reprod Health. 2007; 39: 90-99
Frost JJ, Darroc JE. Factors associated with contraceptive choice and inconsistent method use, United States, 2004. Perspect Sex Reprod Health 2008; forthcoming.
- Trends and differentials in breastfeeding behavior: evidence from the WFS and DHS.Popul Stud. 1992; 46: 285-307
- Contraceptive technology.19th ed. Ardent Media, New York, NY2007