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  • Specifications and Restrictions of Computerized Search

human only

not neoplasm?/DE (secondary search done for folate and variations on neoplasms in the title)

not reviews

not letters

Other Searches

  • Medline

neural tube defects or spina bifida, prevention or etiology of atrophic gastritis and other terms related to pernicious anemia

  • Federal Research in Progress (FedRIP), limited to CRISP files, which cover the Public Health Service

nutrient name in the title

  • CRISP search done by NICHD

search terms: anencephaly, spina bifida, meningomyelocele, fusion failure, neural tube, folate deficiency

Additional Sources of References

  • References listed in publications on various nutrient reference values from the United Kingdom, Canada, and the United States

  • References listed in selected textbooks and review articles and in research articles

  • References provided by panel and committee members and by outside experts

  • Review of recently received journals


Databases Searched

  • Medline, 1965 through December 1996

  • Toxline

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