Measurement of methylmalonic acid in urine filter paper specimens by gas chromatography.
D000592:Amino Acid Metabolism, Inborn Errors / Q000453:epidemiology*; D002849:Chromatography, Gas / Q000379:methods; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008314:Malonates / Q000652:urine*; D008403:Mass Screening; D008764:Methylmalonic Acid / Q000652:urine*
D008314:Malonates; D008764:Methylmalonic Acid