[Biermer's disease and the gastrointestinal system].
D000752:Anemia, Pernicious / Q000503:physiopathology*; D006801:Humans; D007408:Intestinal Absorption / Q000502:physiology*; D014806:Vitamin B 12 Deficiency / Q000503:physiopathology*
M. Biermer und Gastroenteron.