title: [Pernicious anemia in two sisters and their mother. Report of a family case].
mesh_terms: D000328:Adult; D000368:Aged; D000752:Anemia, Pernicious / Q000097:blood / Q000235:genetics*; D005260:Female; D006801:Humans; D008875:Middle Aged; D014805:Vitamin B 12 / Q000097:blood
chemical_list: D014805:Vitamin B 12