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pro vyhledávání: '"David J Portman, MD"'
Autor:
David F Archer, ProfMD, Ruth B Merkatz, PhD, Luis Bahamondes, ProfMD, Carolyn L Westhoff, ProfMD, Philip Darney, ProfMD, Dan Apter, MD, Jeffrey T Jensen, ProfMD, Vivian Brache, BS, Anita L Nelson, ProfMD, Erika Banks, ProfMD, György Bártfai, ProfMD, David J Portman, MD, Marlena Plagianos, MS, Clint Dart, MS, Narender Kumar, PhD, George W Creasy, MD, Regine Sitruk-Ware, MD, Diana L Blithe, PhD
Publikováno v:
The Lancet Global Health, Vol 7, Iss 8, Pp e1054-e1064 (2019)
Summary: Background: A ring-shaped, contraceptive vaginal system designed to last 1 year (13 cycles) delivers an average of 0·15 mg segesterone acetate and 0·013 mg ethinylestradiol per day. We evaluated the efficacy of this contraceptive vaginal s
Externí odkaz:
https://doaj.org/article/cb0df34fa4e045bdada37bd08bb8ef89
