title: [Case of pernicious anemia with immunodeficiency, improved after administration of vitamin B12].
mesh_terms: D000752:Anemia, Pernicious / Q000150:complications / Q000188:drug therapy*; D000920:Antibody-Dependent Cell Cytotoxicity; D005260:Female; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000150:complications*; D007694:Killer Cells, Natural / Q000276:immunology; D008875:Middle Aged; D014805:Vitamin B 12 / Q000627:therapeutic use*
chemical_list: D014805:Vitamin B 12