The assay of methylmalonic acid in urine.
D000748:Anemia, Macrocytic / Q000209:etiology / Q000378:metabolism / Q000652:urine; D000752:Anemia, Pernicious / Q000378:metabolism / Q000652:urine; D002852:Chromatography, Ion Exchange; D006801:Humans; D008314:Malonates / Q000652:urine*; D008722:Methods; D013053:Spectrophotometry; D013696:Temperature; D013997:Time Factors; D014633:Valine / Q000378:metabolism; D014806:Vitamin B 12 Deficiency / Q000150:complications / Q000378:metabolism / Q000652:urine
D008314:Malonates; D014633:Valine