The in vivo liberation of morphine from codeine in man.
D001826:Body Fluids; D003061:Codeine / Q000378:metabolism*; D006801:Humans; D008297:Male; D009020:Morphine / Q000378:metabolism*; D014556:Urine
D009020:Morphine; D003061:Codeine
CODEINE/metabolism; MORPHINE/metabolism; URINE