title: Opioids.
authors.affiliation: Analgesic Peptide Research Unit, Massachusetts General Hospital, Boston 02114.
authors.forename: D B
authors.initials: DB
authors.lastname: Carr
mesh_terms: D000701:Analgesics, Opioid / Q000494:pharmacology*; D000818:Animals; D006801:Humans; D011957:Receptors, Opioid / Q000187:drug effects / Q000502:physiology
chemical_list: D000701:Analgesics, Opioid; D011957:Receptors, Opioid