title: Precursor incorporation experiments in Papaver alkaloid biosynthesis. III. The influence of thebain biosynthesis in P. bracteatum Lindl. by repeated surface application of urea or urine.
mesh_terms: D010207:Papaver / Q000378:metabolism*; D010946:Plants, Medicinal; D013501:Surface-Active Agents / Q000494:pharmacology; D013797:Thebaine / Q000096:biosynthesis*; D014508:Urea / Q000494:pharmacology*; D014556:Urine
chemical_list: D013501:Surface-Active Agents; D013797:Thebaine; D014508:Urea