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Socioeconomic effects on the risk of having a recognized pregnancy with Down syndrome |
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| Authors: | Torfs Claudine P Christianson Roberta E |
| Affiliation: | Public Health Institute, Emeryville, California 94608, USA. ctorfs@phi.org |
| Abstract: | |
| Keywords: | Down syndrome socioeconomic factors |
| 本文献已被 PubMed 等数据库收录！ | |