SEARCH Articles Figures Tables Anemia vitamin B12 deficiency Assessment of Folate and Vitamin B12 Nutritional Status Catalytic cycles for vitamin B12-dependent isomerase Folic acid vitamin B12 and Gastric Intrinsic Factor and Vitamin B12 Binders Intrinsic factor vitamin B12 complex Methylmalonic aciduria vitamin B12 level Mutases vitamin B12 dependent Pernicious anemia vitamin B12 treatment Plasma Vitamin B12 Binding Proteins and Tissue Uptake VITAMIN B12 METABOLISM IN ATAXIC NEUROPATHY Vitamin B12 Models Vitamin B12 Requirements Vitamin B12 Supplementation Vitamin B12 What is it Vitamin B12 absorption Vitamin B12 coenzyme Vitamin B12 coenzyme Cobalamin Vitamin B12 coenzyme dependent reactions, table Vitamin B12 coenzyme enzymatic functions Vitamin B12 coenzyme isomerization reactions Vitamin B12 coenzyme nonenzymatic cleavage Vitamin B12 coenzyme ribonucleotide reductase Vitamin B12 deficiency Vitamin B12 deficiency causes Vitamin B12 intrinsic factor Vitamin B12 metabolism Vitamin B12 monocarboxylic acid Vitamin B12 substances Vitamin B12, reactions Vitamin B12, structure Vitamin B12, synthesis Vitamin B12,biosynthesis Vitamin B12-dependent enzymes