Serum vitamin B12 in leukemias and malignant lymphomas.
D006397:Hematinics; D006801:Humans; D007938:Leukemia / Q000097:blood*; D008223:Lymphoma / Q000097:blood*; D014805:Vitamin B 12 / Q000097:blood*
D006397:Hematinics; D014805:Vitamin B 12
LEUKEMIA/blood in; LYMPHOMA/blood in; VITAMIN B12/in blood