We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEvidence for morphine-independent central nervous opioid effects after administration of codeine: contribution of other codeine metabolites.AuthorsLötsch J; Skarke C; Schmidt H; Rohrbacher M; Hofmann U; Schwab M; Geisslinger GPublicationClinical pharmacology and therapeutics, 2006, Vol 79, Issue 1, p35ISSN0009-9236Publication typearticleDOI10.1016/j.clpt.2005.09.005