O4 The levonorgestrel vs. copper intrauterine device for emergency contraception: A non-inferiority randomized controlled trial
2013 ◽
Vol 88
(6)
◽
pp. 737-743
◽
2018 ◽
Vol 23
(2)
◽
pp. 143-147
◽
2020 ◽
Vol 114
(4)
◽
pp. 861-868
◽
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