Why the United States preterm birth rate is declining
| Autor: | Schoen, Corina N., Tabbah, Sammy, Iams, Jay D., Caughey, Aaron B., Berghella, Vincenzo |
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| Zdroj: | In American Journal of Obstetrics and Gynecology August 2015 213(2):175-180 |
| Databáze: | ScienceDirect |
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Full Text from ScienceDirect