Possible association of folic acid supplementation during pregnancy with reduction of preterm birth: a population-based study
| Autor: | Czeizel, A.E., Puhó, E.H., Langmar, Z., Ács, N., Bánhidy, F. |
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| Zdroj: | In European Journal of Obstetrics and Gynecology 2010 148(2):135-140 |
| Databáze: | ScienceDirect |
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