title: Determination of thiazinamium sulphoxide in urine by means of amberlite XAD-2 column chromatography and thin-layer densitometry.
mesh_terms: D002855:Chromatography, Thin Layer; D003720:Densitometry; D008722:Methods; D011398:Promethazine / Q000031:analogs & derivatives* / Q000652:urine; D012117:Resins, Synthetic; D013454:Sulfoxides / Q000652:urine
chemical_list: D012117:Resins, Synthetic; D013454:Sulfoxides; D011398:Promethazine