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Abstract
Keywords: Biomedical and Behavioral Research; Medical Research Council
Mesh: See more » Control GroupsHuman ExperimentationHumansInternational CooperationInternationalityNeural Tube DefectsNutritional Physiological PhenomenaPatient SelectionPregnancyPregnant WomenPrevalencePreventive MedicineRandom AllocationResearch DesignResearch SubjectsRiskRisk AssessmentUnited KingdomVitamins
Substances: See more » Vitamins
Year: 1984 PMID: 11644285
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321