title: Analysis of reduced forms of biopterin in biological tissues and fluids.
mesh_terms: D000818:Animals; D001708:Biopterins / Q000032:analysis*; D001923:Brain Chemistry; D002851:Chromatography, High Pressure Liquid / Q000379:methods; D008099:Liver / Q000032:analysis*; D010084:Oxidation-Reduction; D011621:Pteridines / Q000032:analysis*; D051381:Rats; D014018:Tissue Distribution
chemical_list: D011621:Pteridines; D001708:Biopterins