Results from an international case-control study of childhood brain tumors: the role of prenatal vitamin supplementation.
PMCID: PMC1533075
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Results from an international case-control study of childhood brain tumors: the role of prenatal vitamin supplementation. PMCID: PMC1533075 The U.S. EPA Conference on Preventable Causes of Cancer in Children: a research agenda. PMCID: PMC1533061 |