title: Preservation of cannabis thin-layer chromatograms.
mesh_terms: D002188:Cannabis / Q000032:analysis*; D002855:Chromatography, Thin Layer; D003124:Colorimetry; D004396:Coloring Agents; D004355:Drug Stability; D006863:Hydrogen-Ion Concentration; D012997:Solvents
chemical_list: D004396:Coloring Agents; D012997:Solvents