title: Chromatographic separation and assay of morphine in injectables.
mesh_terms: D001285:Atropine / Q000032:analysis; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D003061:Codeine / Q000032:analysis; D004355:Drug Stability; D007267:Injections; D008722:Methods; D009020:Morphine / Q000032:analysis*; D010226:Parabens / Q000032:analysis; D012996:Solutions / Q000032:analysis; D012997:Solvents; D013056:Spectrophotometry, Ultraviolet; D013431:Sulfates / Q000032:analysis
chemical_list: D010226:Parabens; D012996:Solutions; D012997:Solvents; D013431:Sulfates; D009020:Morphine; D001285:Atropine; D003061:Codeine