Ovarian activity and safety of a novel levonorgestrel/ethinyl estradiol continuous oral contraceptive regimen
| Autor: | Archer, David F., Kovalevsky, George, Ballagh, Susan A., Grubb, Gary S. |
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| Zdroj: | In Contraception 2009 80(3):245-253 |
| Databáze: | ScienceDirect |
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