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The evolution of combined oral contraception: improving the risk-to-benefit ratio

Ronald Burkman1, Carrie Bell, David Serfaty

  • 1Department of Obstetrics and Gynecology, Tufts University School of Medicine, Baystate Medical Center, Springfield, MA 01199, USA. ronald.burkman@baystatehealth.org

Contraception
|June 14, 2011
PubMed

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