Early pregnancy body mass index and spontaneous preterm birth in Northwest Russia: a registry-based study.
| Autor: | Sharashova, Ekaterina E.1,2 ekaterina.e.sharashova@uit.no, Anda, Erik E.1, Grjibovski, Andrej M.1,2,3 |
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| Zdroj: | BMC Pregnancy & Childbirth. 2014, Vol. 14 Issue 1, p1-8. 8p. |
| Databáze: | Academic Search Ultimate |
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