Diabetes mellitus and serum vitamin B12 concentrations: 333 patients.
D045728:Corrinoids; D003920:Diabetes Mellitus / Q000097:blood*; D006801:Humans; D014805:Vitamin B 12 / Q000097:blood*
D045728:Corrinoids; D014805:Vitamin B 12
DIABETES MELLITUS/blood in; VITAMIN B12/in blood