title: [CME - laboratory 41. Evaluating vitamin B12 status].
mesh_terms: D019411:Clinical Laboratory Techniques; D006710:Homocysteine / Q000097:blood; D006801:Humans; D008764:Methylmalonic Acid / Q000097:blood; D012016:Reference Values; D014155:Transcobalamins / Q000378:metabolism; D014805:Vitamin B 12 / Q000097:blood; D014806:Vitamin B 12 Deficiency / Q000097:blood* / Q000175:diagnosis*
chemical_list: D014155:Transcobalamins; D006710:Homocysteine; D008764:Methylmalonic Acid; D014805:Vitamin B 12