732: Gestational age calculation in first trimester screening: using physician supplied GA or converting using fixed CRL chart has minimal impact on variability of MoM values
| Autor: | Krantz, David, He, Kuang-Lin, He, Yuncen A., Hallahan, Terry, Sherwin, John |
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| Zdroj: | In American Journal of Obstetrics and Gynecology December 2009 201(6) Supplement:S264-S264 |
| Databáze: | ScienceDirect |
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