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Folic acid supplements during early pregnancy and likelihood of multiple births: a population-based cohort study |
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| Authors: | Li Zhu Gindler Jacqueline Wang Hong Berry R J Li Song Correa Adolfo Zheng Jun-chi Erickson J David Wang Yu |
| Affiliation: | The National Centre for Maternal and Infant Health, and the Department of Health Care Epidemiology, Peking University Health Science Centre, Beijing, China. |
| Abstract: | |
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| 本文献已被 PubMed 等数据库收录！ | |