In vitamin B12 deficiency, higher serum folate is associated with increased homocysteine and methylmalonic acid concentrations.
Quinlivan
Eoin P
EP
D005492:Folic Acid / Q000097:blood*; D006710:Homocysteine / Q000097:blood*; D006801:Humans; D008764:Methylmalonic Acid / Q000097:blood*; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis*
D006710:Homocysteine; D008764:Methylmalonic Acid; D005492:Folic Acid