title: [Studies on the microquantitative analysis of several drugs. I. Tritium labeling by catalytic hydrogenation of morphine (author's transl)].
mesh_terms: D002384:Catalysis; D006865:Hydrogenation; D007553:Isotope Labeling / Q000379:methods*; D009020:Morphine; D014316:Tritium
chemical_list: D014316:Tritium; D009020:Morphine