title: Macrocytosis: pitfalls in testing and summary of guidance.
authors.affiliation: City Hospitals Sunderland NHS Foundation Trust, Sunderland Royal Hospital, Sunderland SR4 7TP. mike.galloway@nhs.net
authors.forename: Michael
authors.initials: M
authors.lastname: Galloway
authors.forename: Malcolm
authors.initials: M
authors.lastname: Hamilton
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000748:Anemia, Macrocytic / Q000175:diagnosis* / Q000209:etiology; D000749:Anemia, Megaloblastic / Q000175:diagnosis / Q000209:etiology; D005260:Female; D006403:Hematologic Tests; D006801:Humans; D017410:Practice Guidelines as Topic; D011237:Predictive Value of Tests; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000209:etiology; D014806:Vitamin B 12 Deficiency / Q000209:etiology*