title: Two dimensional thin-layer high-voltage electrophoresis and chromatography for the separation of urinary purines, pyrimidines and pyrazolopyrimidines.
mesh_terms: D000493:Allopurinol; D002247:Carbon Isotopes; D002852:Chromatography, Ion Exchange; D002855:Chromatography, Thin Layer; D004586:Electrophoresis; D006801:Humans; D007042:Hypoxanthines; D008722:Methods; D010781:Photography; D011687:Purines / Q000302:isolation & purification / Q000652:urine*; D011720:Pyrazoles / Q000302:isolation & purification / Q000652:urine*; D011743:Pyrimidines / Q000302:isolation & purification / Q000652:urine*; D011865:Radioisotope Dilution Technique; D013053:Spectrophotometry; D014466:Ultraviolet Rays
chemical_list: D002247:Carbon Isotopes; D007042:Hypoxanthines; D011687:Purines; D011720:Pyrazoles; D011743:Pyrimidines; D000493:Allopurinol