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Vitamin B 12 Deficiency

"Vitamin B 12 Deficiency" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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A nutritional condition produced by a deficiency of VITAMIN B 12 in the diet, characterized by megaloblastic anemia. Since vitamin B 12 is not present in plants, humans have obtained their supply from animal products, from multivitamin supplements in the form of pills, and as additives to food preparations. A wide variety of neuropsychiatric abnormalities is also seen in vitamin B 12 deficiency and appears to be due to an undefined defect involving myelin synthesis. (From Cecil Textbook of Medicine, 19th ed, p848)


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This graph shows the total number of publications written about "Vitamin B 12 Deficiency" by people in this website by year, and whether "Vitamin B 12 Deficiency" was a major or minor topic of these publications.
Bar chart showing 8 publications over 5 distinct years, with a maximum of 3 publications in 2009
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