Prenatal care and black-white fetal death disparity in the United States: heterogeneity by high-risk conditions
| Autor: | Vintzileos, Anthony M *, Ananth, Cande V, Smulian, John C, Scorza, William E, Knuppel, Robert A |
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| Zdroj: | In Obstetrics & Gynecology 2002 99(3):483-489 |
| Databáze: | ScienceDirect |
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