title: Quantitative analysis of pteridines in biological extracts by direct fluorometry on thin layers.
mesh_terms: D000818:Animals; D002855:Chromatography, Thin Layer; D004355:Drug Stability; D005399:Fishes; D005453:Fluorescence; D005470:Fluorometry; D011621:Pteridines / Q000032:analysis*; D014020:Tissue Extracts / Q000032:analysis*
chemical_list: D011621:Pteridines; D014020:Tissue Extracts