This browser does not support the video element.
Methylmalonic Acid and Homocysteine Levels in Vitamin B12 and Folate Deficiency • B12 Deficiency: MMA elevated, Homocysteine elevated • Folate Deficiency: MMA normal, Homocysteine elevated Dr. Thomas DeLoughery @Bloodman #MethylmalonicAcid #Homocysteine #B12 #MMA #folate #deficiency #VitaminB12 #diagnosis #hematology