换一批
换一批Folic acid supplementation, dietary folate intake during pregnancy and risk for spontaneous preterm delivery: a prospective observational cohort study.
作者：
主题词
成年人(Adult);膳食(Diet);营养保健品(Dietary Supplements);女(雌)性(Female);叶酸(Folic Acid);孕龄(Gestational Age);人类(Humans);挪威(Norway);孕前保健(Preconception Care);妊娠(Pregnancy);早产(Premature Birth);比例危险度模型(Proportional Hazards Models);前瞻性研究(Prospective Studies);危险性评估(Risk Assessment);时间因素(Time Factors);复合维生素B(Vitamin B Complex);青年人(Young Adult)
DOI
10.1186/s12884-014-0375-1
PMID
25361626
发布时间
2022-03-11
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