Megaloblastic anemias.
D000748:Anemia, Macrocytic / Q000175:diagnosis*; D000749:Anemia, Megaloblastic / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D003937:Diagnosis, Differential; D005494:Folic Acid Deficiency / Q000150:complications; D006801:Humans; D014806:Vitamin B 12 Deficiency / Q000150:complications