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Maternal serum placental growth factor in second trimester trisomy 21 pregnancies |
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| Authors: | Cowans N J Kisanga M C Spencer K |
| Affiliation: | Prenatal Screening Unit, Department of Clinical Biochemistry, King George Hospital, Barley Lane, Goodmayes, Essex, United Kingdom. |
| Abstract: | |
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| 本文献已被 PubMed 等数据库收录！ | |