title: Opiates and opioids: what a difference a name makes.
authors.forename: Gary M
authors.initials: GM
authors.lastname: Reisfield
authors.forename: Roger L
authors.initials: RL
authors.lastname: Bertholf
authors.forename: George R
authors.initials: GR
authors.lastname: Wilson
mesh_terms: D000701:Analgesics, Opioid / Q000737:chemistry / Q000145:classification*; D053610:Opiate Alkaloids / Q000737:chemistry / Q000145:classification*; D011957:Receptors, Opioid / Q000819:agonists; D009626:Terminology as Topic
chemical_list: D000701:Analgesics, Opioid; D053610:Opiate Alkaloids; D011957:Receptors, Opioid