title: Separation and identification of morphine and its metabolites and congeners.
mesh_terms: D000107:Acetylation; D000818:Animals; D002415:Cats; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D004285:Dogs; D005463:Fluoroacetates / Q000032:analysis; D006801:Humans; D009019:Morphinans / Q000652:urine*; D009020:Morphine / Q000652:urine*; D013997:Time Factors
chemical_list: D005463:Fluoroacetates; D009019:Morphinans; D009020:Morphine