题名 | Two years' experience with two levonorgestrel-releasing intrauterine devices and one copper-releasing intrauterine device: a randomized comparative performance study. |
作者 | Nilsson CG, |
杂志 | Fertil Steril. |
年|卷|期 | 1983 Feb;39(2) |
页码 | 187-92 |
链接 | http://www.ncbi.nlm.nih.gov/pubmed/?term=Fertility+and+sterility+1983+Feb%3B+39(2)%3A187-92. |
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