A double-blind study comparing the contraceptive efficacy, acceptability and safety of two progestogen-only pills containing desogestrel 75 μg/day or levonorgestrel 30 μg/day: Collaborative Study Group on the Desogestrel-containing Progestogen-only Pill
1998 ◽
Vol 3
(4)
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pp. 169-178
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1997 ◽
Vol 103
(5)
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pp. 389-399
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Keyword(s):
1995 ◽
Vol 131
(8)
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pp. 919-922
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1990 ◽
Vol 34
(2)
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pp. 269-272
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Keyword(s):
1982 ◽
Vol 41
(2)
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pp. 159-163
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Keyword(s):
Keyword(s):
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