Referencer og forslag til yderligere læsning

Referencer:

Mild B12 Deficiency

Vitamin B12: Are You Getting It?

What Every Vegan Should Know about Vitamin B12

NutritionFacts.org (søg på vitamin B12)

What is the Role of Supplements in a Healthy Diet?

Vitamin B12 (Cobalamin)

Vitamin B12 mangel

Journal of the Academy of Nutrition and Dietetics.
Position of the American Dietetic Association: Vegetarian Diets
July 2009 Volume 109, Issue 7, Pages 1266–1282
DOI: http://dx.doi.org/10.1016/j.jada.2009.05.027

http://www.vrg.org/nutrition/2009_ADA_position_paper.pdf

https://www.nap.edu/read/6015/chapter/11


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