Reciprocal elevation in serum levels produced by injections of vitamin B12 and folic acid in patients with nutritional macrocytic anemia.
D000740:Anemia / Q000097:blood*; D000748:Anemia, Macrocytic; D005492:Folic Acid / Q000097:blood*; D006801:Humans; D014805:Vitamin B 12 / Q000097:blood*
D005492:Folic Acid; D014805:Vitamin B 12
ANEMIA, HYPERCHROMIC/blood in; FOLIC ACID/in blood; VITAMIN B12/in blood