title: Opioid receptors and their ligands: natural and unnatural.
authors.affiliation: Department of Anaesthesia, Medical School, University of Manchester.
authors.forename: B J
authors.initials: BJ
authors.lastname: Pleuvry
mesh_terms: D004399:Dynorphins / Q000378:metabolism; D004723:Endorphins / Q000378:metabolism* / Q000502:physiology; D004745:Enkephalins / Q000378:metabolism; D006801:Humans; D009294:Narcotics / Q000494:pharmacology; D011957:Receptors, Opioid / Q000378:metabolism* / Q000502:physiology
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009294:Narcotics; D011957:Receptors, Opioid; D004399:Dynorphins