Efficacy and safety of a contraceptive vaginal ring (NuvaRing) compared with a combined oral contraceptive: a 1-year randomized trial

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2005 ◽  
Vol 71 (3) ◽  
pp. 176-182 ◽  
Author(s):  
Kristjan Oddsson ◽  
Beate Leifels-Fischer ◽  
Nilson Roberto de Melo ◽  
Dominique Wiel-Masson ◽  
Chiara Benedetto ◽  
...  
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pp. 920-929 ◽  
Author(s):  
Subir Roy ◽  
Daniel R. Mishell ◽  
Gregory Gray ◽  
Ryoko Dozono-Takano ◽  
Paul F. Brenner ◽  
...  

2004 ◽  
Vol 19 (11) ◽  
pp. 2668-2673 ◽  
Author(s):  
Ingrid J.M. Duijkers ◽  
Christine Klipping ◽  
Carole H.J. Verhoeven ◽  
Thom O.M. Dieben

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