title: Column partition chromatographic assay for codeine in tablets containing APC.
mesh_terms: D001241:Aspirin / Q000032:analysis*; D002110:Caffeine / Q000032:analysis*; D002845:Chromatography; D003061:Codeine / Q000032:analysis* / Q000302:isolation & purification; D004338:Drug Combinations; D005069:Evaluation Studies as Topic; D008722:Methods; D010615:Phenacetin / Q000032:analysis*; D011786:Quality Control; D013607:Tablets / Q000032:analysis
chemical_list: D004338:Drug Combinations; D013607:Tablets; D002110:Caffeine; D010615:Phenacetin; D001241:Aspirin; D003061:Codeine