Metabolism of narcotics.
D003061:Codeine / Q000031:analogs & derivatives* / Q000506:poisoning; D006801:Humans; D007668:Kidney / Q000378:metabolism*; D008099:Liver / Q000378:metabolism; D009020:Morphine / Q000378:metabolism*
D009020:Morphine; C014481:dihydrocodeine; D003061:Codeine