The significance of low first trimester serum progesterone in ongoing early pregnancies presenting as pregnancies of unknown location
| Autor: | Ucyigit, A., Fuller, J.L., Poon, L.C., Johns, J., Ross, J.A. |
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| Zdroj: | In European Journal of Obstetrics & Gynecology and Reproductive Biology March 2021 258:294-298 |
| Databáze: | ScienceDirect |
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