title: Letter: Macrocytosis.
mesh_terms: D000437:Alcoholism / Q000097:blood; D004906:Erythrocyte Count; D004913:Erythrocytes, Abnormal; D005494:Folic Acid Deficiency / Q000097:blood*; D006400:Hematocrit; D006801:Humans; D008107:Liver Diseases / Q000097:blood; D014804:Vitamin B Deficiency / Q000097:blood*