title: Serum vitamin B12 levels and vitamin B12-binding proteins of serum and saliva of healthy Nigerians and Europeans.
mesh_terms: D000328:Adult; D001772:Blood Cell Count; D002352:Carrier Proteins / Q000097:blood*; D004739:England / Q000208:ethnology; D006801:Humans; D008111:Liver Function Tests; D008297:Male; D009549:Nigeria; D012471:Salivary Proteins and Peptides / Q000032:analysis; D014481:United States; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D002352:Carrier Proteins; D012471:Salivary Proteins and Peptides; D014805:Vitamin B 12