title: Mass fragmentographic detection of normorphine in urine of man after codeine intake.
mesh_terms: D002849:Chromatography, Gas; D003061:Codeine / Q000008:administration & dosage / Q000378:metabolism*; D005463:Fluoroacetates / Q000032:analysis; D006801:Humans; D006868:Hydrolysis; D008297:Male; D013058:Mass Spectrometry; D009019:Morphinans / Q000652:urine*; D009020:Morphine / Q000032:analysis
chemical_list: D005463:Fluoroacetates; D009019:Morphinans; D009020:Morphine; D003061:Codeine