title: Codeine and morphine in Papaver somniferum grown in a controlled environment.
mesh_terms: D003061:Codeine / Q000032:analysis*; D004780:Environment, Controlled; D009020:Morphine / Q000032:analysis*; D010207:Papaver / Q000032:analysis*; D010208:Papaverine / Q000032:analysis; D010946:Plants, Medicinal
chemical_list: D009020:Morphine; D010208:Papaverine; D003061:Codeine