The changing epidemiology of multiple births in the United States
| Autor: | Russell, Rebecca B, Petrini, Joann R, Damus, Karla, Mattison, Donald R, Schwarz, Richard H |
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| Zdroj: | In Obstetrics & Gynecology 2003 101(1):129-135 |
| Databáze: | ScienceDirect |
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