Vitamin B12 activity in the serum of the rat.
D000818:Animals; D045728:Corrinoids; D005743:Gastrectomy; D051381:Rats; D014805:Vitamin B 12 / Q000097:blood*; D014806:Vitamin B 12 Deficiency
D045728:Corrinoids; D014805:Vitamin B 12
GASTRECTOMY/effects; VITAMIN B12 DEFICIENCY/experimental; VITAMIN B12/in blood