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DRI Dietary Reference Intakes: For Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline
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
