Letter: Normal ranges for serum folate and vitamin B12.
D000748:Anemia, Macrocytic / Q000097:blood; D005492:Folic Acid / Q000097:blood*; D005494:Folic Acid Deficiency / Q000097:blood; D006801:Humans; D014805:Vitamin B 12 / Q000097:blood*; D014806:Vitamin B 12 Deficiency / Q000097:blood
D005492:Folic Acid; D014805:Vitamin B 12