[Vitamin B12 deficiency in pernicious anemia].
D000752:Anemia, Pernicious; D001706:Biopsy; D006801:Humans; D013270:Stomach / Q000473:pathology*; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis*
BIOPSY; STOMACH/pathology; VITAMIN B12 DEFICIENCY/diagnosis
L'avitaminose B12 dans l'anémie pernicieuse.