Autor: |
Chen MJ; Department of Obstetrics and Gynecology, University of California, Davis, Sacramento, CA, USA., Kim CR; Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland., Whitehouse KC; Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland., Berry-Bibee E; Division of Reproductive Health, Centers for Disease Control and Prevention, Chamblee, GA, USA., Gaffield ME; Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland. |