title: Minor component tablet analysis by high-performance thin-layer chromatography.
mesh_terms: D002855:Chromatography, Thin Layer / Q000379:methods; D004340:Drug Contamination / Q000032:analysis*; D008790:Metoprolol / Q000032:analysis*; D011412:Propanolamines / Q000032:analysis*; D013607:Tablets / Q000032:analysis*
chemical_list: D011412:Propanolamines; D013607:Tablets; D008790:Metoprolol