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Thymic-thoracic ratio in fetuses with trisomy 21, 18 or 13 |
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| Authors: | Karl K Heling K-S Sarut Lopez A Thiel G Chaoui R |
| Affiliation: | Department of Obstetrics and Gynecology, Ludwig-Maximilians-University, Munich, Germany. |
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| 本文献已被 PubMed 等数据库收录！ | |