题名 | Rate of pregnancy after using drospirenone and other progestin-containing oral contraceptives. |
杂志 | Obstet Gynecol. |
年|卷|期 | 2009 Sep;114(3): |
页码 | 616-22 |
链接 | http://www.ncbi.nlm.nih.gov/pubmed/19701043 |
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