The influence of smoking on maternal serum PAPP-A and free beta hCG levels in the first trimester of pregnancy
- 作者Kevin Spencer
- 卷第19卷
- 期第11期
- 印刷ISSN0197-3851
- 电子ISSN1097-0223
- 文件大小49.50KB
- 发表时间1999
- DOI10.1002/(sici)1097-0223(199911)19:11<1065::aid-pd695>3.0.co;2-r
- 页码1065-1066
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