title: A single system for the evaluation of purine and pyrimidine nucleosides and bases together with their analogues in biological fluids.
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods; D006801:Humans; D011684:Purine Nucleosides / Q000097:blood* / Q000652:urine; D011741:Pyrimidine Nucleosides / Q000097:blood* / Q000652:urine
chemical_list: D011684:Purine Nucleosides; D011741:Pyrimidine Nucleosides