title: The quantitative determination of metabolites of 6-mercaptopurine in biological materials. I. A separation method for purine and 6-thiopurine bases and nucleosides using high-pressure liquid cation-exchange chromatography.
mesh_terms: D002411:Cation Exchange Resins; D002851:Chromatography, High Pressure Liquid / Q000379:methods; D002852:Chromatography, Ion Exchange / Q000379:methods; D015122:Mercaptopurine / Q000032:analysis*; D011687:Purines / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D002411:Cation Exchange Resins; D011687:Purines; D015122:Mercaptopurine