Serum vitamin B12 levels in liver disease.
D006397:Hematinics; D006801:Humans; D008107:Liver Diseases / Q000097:blood*; D014652:Vascular Diseases; D014805:Vitamin B 12 / Q000097:blood*
D006397:Hematinics; D014805:Vitamin B 12
LIVER DISEASES/blood; VITAMIN B 12/blood