title: A single extraction thin-layer chromatographic method in current use.
mesh_terms: D000470:Alkaloids / Q000097:blood / Q000302:isolation & purification*; D000588:Amines / Q000097:blood / Q000302:isolation & purification*; D002855:Chromatography, Thin Layer; D005554:Forensic Medicine; D005782:Gels; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007202:Indicators and Reagents; D008722:Methods; D009294:Narcotics / Q000097:blood / Q000302:isolation & purification*; D012822:Silicon Dioxide; D012997:Solvents; D019966:Substance-Related Disorders; D014118:Toxins, Biological / Q000302:isolation & purification
chemical_list: D000470:Alkaloids; D000588:Amines; D005782:Gels; D007202:Indicators and Reagents; D009294:Narcotics; D012997:Solvents; D014118:Toxins, Biological; D012822:Silicon Dioxide