title: The quantitative determination of morphine in urine by gas-liquid chromatography and variations in excretion.
mesh_terms: D002250:Carbon Radioisotopes; D002277:Carcinoma / Q000652:urine; D002404:Catheterization; D002849:Chromatography, Gas; D005069:Evaluation Studies as Topic; D005966:Glucuronidase; D006801:Humans; D008297:Male; D008722:Methods; D009020:Morphine / Q000652:urine*; D013997:Time Factors
chemical_list: D002250:Carbon Radioisotopes; D009020:Morphine; D005966:Glucuronidase