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أعراض وعلامات ‏‏نقص ‏فيتامين ‏ب١٢
"Purification and characterization of a corrinoid compound from Chlorella tablets as an algal health food"
فيتامين B12،اعراض وعلا نقص فيتامين B12
"Giardia infection causes vitamin B12 deficiency"
اعراض نقص فيتامين ب١٢
"Characterization of a vitamin B12 compound in the edible purple laver, Porphyra yezoensis"
Mitsuyama Y, Kogoh H Mar 1988 Br Med J Clin Res Ed
Lachner, C; Steinle, NI; Regenold, WT 2012 The Cochrane database of systematic reviews 3 : CD004655

United States Department of Agriculture.

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أسباب نقص فيتامين ب12 ومعلومات مهمة
Martens JH, Barg H, Warren MJ, Jahn D Mar 2002
ما هي أعراض نقص فيتامين B12
Sethi NK, Robilotti E, Sadan Y 2005
ما هي اعراض نقص فيتامين ب١٢
"Proton pump inhibitor and histamine 2 receptor antagonist use and vitamin B12 deficiency"