title: Propionic acidemia: diagnosis by enzyme assay in frozen leukocytes.
mesh_terms: D002648:Child; D005615:Freezing; D006801:Humans; D007962:Leukocytes / Q000201:enzymology*; D008025:Ligases; D008661:Metabolism, Inborn Errors / Q000175:diagnosis*; D011422:Propionates / Q000097:blood*; D013997:Time Factors
chemical_list: D011422:Propionates; D008025:Ligases