title: 3'-hydroxysepiapterin in patients with dihydrobiopterin deficiency.
mesh_terms: D001708:Biopterins / Q000031:analogs & derivatives / Q000172:deficiency* / Q000378:metabolism / Q000652:urine; D002851:Chromatography, High Pressure Liquid; D005260:Female; D006801:Humans; D007223:Infant; D011621:Pteridines / Q000172:deficiency*
chemical_list: D011621:Pteridines; D001708:Biopterins; C017226:7,8-dihydrobiopterin; C027026:3'-hydroxysepiapterin