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Zurück
Semin Reprod Med 2010; 28(2): 133-139
DOI: 10.1055/s-0030-1248138
© Thieme Medical Publishers

The Contraceptive Vaginal Ring

Jill Edwardson1 , Roxanne Jamshidi2
  • 1Department of Gynecology and Obstetrics, Johns Hopkins Hospital, Baltimore, Maryland
  • 2Department of Gynecology and Obstetrics, Johns Hopkins Bayview Medical Center, Baltimore, Maryland