Serum B12 determination using the radiosorbent technique and the Euglena gracilis assay.
D001681:Biological Assay / Q000379:methods; D005056:Euglena gracilis / Q000378:metabolism*; D006801:Humans; D011863:Radioimmunoassay; D014805:Vitamin B 12 / Q000097:blood*; D014806:Vitamin B 12 Deficiency / Q000097:blood
D014805:Vitamin B 12