Vitamin B12.
van den Berg
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Institute Toxicology and Nutrition TNO, Department of Human Nutrition, Zeist, The Netherlands.
D006801:Humans; D008764:Methylmalonic Acid / Q000652:urine; D009752:Nutritional Status; D014805:Vitamin B 12 / Q000097:blood / Q000378:metabolism*; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis
D008764:Methylmalonic Acid; D014805:Vitamin B 12