Efficacy and safety of a contraceptive vaginal ring (NuvaRing) compared with a combined oral contraceptive: a 1-year randomized trial
2005 ◽
Vol 71
(3)
◽
pp. 176-182
◽
2016 ◽
Vol 21
(4)
◽
pp. 303-309
◽
2006 ◽
Vol 195
(1)
◽
pp. 72-77
◽
2007 ◽
Vol 75
(6)
◽
pp. 420-429
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Keyword(s):
1980 ◽
Vol 136
(7)
◽
pp. 920-929
◽
2014 ◽
Vol 13
(10)
◽
pp. 1423-1430
◽
Keyword(s):