title: ABC of clinical haematology. Macrocytic anaemias.
authors.affiliation: Royal Free Hospital, London.
authors.forename: V
authors.initials: V
authors.lastname: Hoffbrand
authors.forename: D
authors.initials: D
authors.lastname: Provan
mesh_terms: D000748:Anemia, Macrocytic / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D005494:Folic Acid Deficiency / Q000209:etiology; D006801:Humans; D014806:Vitamin B 12 Deficiency / Q000209:etiology