title: [Pteridine reductase deficiency].
mesh_terms: D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009247:NADH, NADPH Oxidoreductases / Q000172:deficiency*; D010661:Phenylketonurias / Q000201:enzymology*
chemical_list: D009247:NADH, NADPH Oxidoreductases