Vitamin B12Deficiency
- 10 January 2013
- journal article
- review article
- Published by Massachusetts Medical Society in The New England Journal of Medicine
- Vol. 368 (2), 149-160
- https://doi.org/10.1056/nejmcp1113996
Abstract
Vitamin B12 deficiency causes reversible megaloblastic anemia, demyelinating disease, or both. Current assays have insufficient sensitivity and specificity; methylmalonic acid levels are useful to confirm diagnosis. Parenteral or high-dose oral vitamin B12 is effective therapy.Keywords
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