title: The plasma transport of vitamin B12.
mesh_terms: D001692:Biological Transport; D006801:Humans; D011485:Protein Binding; D014155:Transcobalamins / Q000032:analysis / Q000502:physiology; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D014155:Transcobalamins; D014805:Vitamin B 12