Midtrimester amniotic fluid delta optical density at 450 nm in normal pregnancies
| Autor: | Ananth, Uma, Warsof, Steven L., Coulehan, Jeanne M., Wolf, Pamela H., Queenan, John T. |
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| Zdroj: | In American Journal of Obstetrics and Gynecology September 1986 155(3):664-666 |
| Databáze: | ScienceDirect |
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