title: [Selection of opium poppy. On the relation of incision time of poppy (Ikkanshu) capsule to morphine and codeine yields].
mesh_terms: D002849:Chromatography, Gas; D003061:Codeine / Q000032:analysis*; D009020:Morphine / Q000032:analysis*; D010207:Papaver / Q000032:analysis*; D010946:Plants, Medicinal; D012621:Seasons
chemical_list: D009020:Morphine; D003061:Codeine