title: Diagnosis of dihydropteridine reductase deficiency by erythrocyte enzyme assay.
mesh_terms: D004796:Clinical Enzyme Tests; D004093:Dihydropteridine Reductase / Q000097:blood; D004912:Erythrocytes / Q000201:enzymology*; D006801:Humans; D009247:NADH, NADPH Oxidoreductases / Q000172:deficiency*; D010661:Phenylketonurias
chemical_list: D004093:Dihydropteridine Reductase; D009247:NADH, NADPH Oxidoreductases