title: Misestimating the role of an active metabolite when modeling the effects after administration of the parent compound only.
authors.forename: Jörn
authors.initials: J
authors.lastname: Lötsch
authors.forename: Gerd
authors.initials: G
authors.lastname: Geisslinger
mesh_terms: D006207:Half-Life; D009020:Morphine / Q000378:metabolism / Q000493:pharmacokinetics / Q000494:pharmacology*; D009022:Morphine Derivatives / Q000493:pharmacokinetics / Q000494:pharmacology*; D009294:Narcotics / Q000493:pharmacokinetics / Q000494:pharmacology*; D011680:Pupil / Q000187:drug effects*
chemical_list: D009022:Morphine Derivatives; D009294:Narcotics; C035349:morphine-6-glucuronide; D009020:Morphine