title: Vitamin B12.
authors.affiliation: Institute Toxicology and Nutrition TNO, Department of Human Nutrition, Zeist, The Netherlands.
authors.forename: H
authors.initials: H
authors.lastname: van den Berg
mesh_terms: 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
chemical_list: D008764:Methylmalonic Acid; D014805:Vitamin B 12