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International Health News Database: Vitamin B12
At this website, there are several summaries of medical studies and clinical trials on vitamin B12 and its role in preventing and treating various health conditions. Read about vitamin B12's role in fighting such conditions as...
US National Library of Medicine
Medline Plus: Vitamin B12
This is a very brief write-up on vitamin B12, which is organized into several sections including, "Function," "Food Sources," and "Recommendations." Though not containing detailed information, this website serves as a good source of...