[Diagnosis of vitamin B 12 deficiency].
D000752:Anemia, Pernicious / Q000175:diagnosis; D006801:Humans; D008286:Malabsorption Syndromes / Q000175:diagnosis; D012546:Schilling Test; D014805:Vitamin B 12 / Q000097:blood; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis* / Q000209:etiology
D014805:Vitamin B 12
Diagnostik des Vitamin-B12-Mangels.