title: Masked pernicious anemia: a literature review and case presentation.
authors.forename: Kathryn
authors.initials: K
authors.lastname: Willoughby
authors.forename: Charles
authors.initials: C
authors.lastname: Greenberg
authors.forename: Brad
authors.initials: B
authors.lastname: Keith
mesh_terms: D000328:Adult; D000752:Anemia, Pernicious / Q000175:diagnosis* / Q000188:drug therapy / Q000453:epidemiology / Q000503:physiopathology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D014805:Vitamin B 12 / Q000627:therapeutic use
chemical_list: D014805:Vitamin B 12