title: PERNICIOUS anemia which responds poorly to liver extract or vitamin B12.
mesh_terms: D000740:Anemia; D000752:Anemia, Pernicious / Q000175:diagnosis*; D045728:Corrinoids; D006397:Hematinics; D006801:Humans; D008110:Liver Extracts; D064028:Tracheophyta; D014805:Vitamin B 12 / Q000627:therapeutic use*
chemical_list: D045728:Corrinoids; D006397:Hematinics; D008110:Liver Extracts; D014805:Vitamin B 12