Methylmalonate/Homocysteine:MRto:Pt:Ser/Plas:Qn
methylmalonate/homocysteine:mrto:pt:ser/plas:qn
Methylmalonate/Homocysteine:Mass Ratio:To identify measures at a point in time:Serum/Plasma:Quantitative
methylmalonate/homocysteine:mass ratio:to identify measures at a point in time:serum/plasma:quantitative