title: Urine testing: a comparison of five current methods for detecting morphine.
mesh_terms: D000906:Antibodies; D002855:Chromatography, Thin Layer; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D008722:Methods; D009020:Morphine / Q000652:urine*; D011863:Radioimmunoassay; D013050:Spectrometry, Fluorescence; D014316:Tritium
chemical_list: D000906:Antibodies; D005609:Free Radicals; D014316:Tritium; D009020:Morphine