搜索结果: 1-1 共查到“产科学 Prevalence”相关记录1条 . 查询时间(0.11 秒)
Prevalence of vitamin B-12 insufficiency during pregnancy and its effect on offspring birth weight: a systematic review and meta-analysis
vitamin B-12 insufficiency pregnancy low birth weight geographic variation systematic review meta-analysis
2018/11/29
Background: Vitamin B-12 and folate are micronutrients essential for normal embryogenesis. Vitamin B-12 insufficiency in pregnancy is high in certain parts of the world, such as India, and although th...