title: [THIN-LAYER CHROMATOGRAPHIC STUDIES ON NARCOTIC DRUGS. (1) ASSAY OF ALKALOIDS IN OPIUM PREPARATIONS].
mesh_terms: D000470:Alkaloids; D002845:Chromatography; D002855:Chromatography, Thin Layer; D009294:Narcotics; D009892:Opium; D012106:Research
chemical_list: D000470:Alkaloids; D009294:Narcotics; D009892:Opium
keywords: ALKALOIDS; CHROMATOGRAPHY; EXPERIMENTAL LAB STUDY; OPIUM